OEM filter selection

Big Blue PP, UDF, CTO, PCO & Composite Filter Selection Guide

Use this guide to compare Big Blue sediment, granular carbon, carbon block, sintered carbon and composite cartridge configurations. The matrix keeps 10-inch and 20-inch formats, carbon specifications, additives and supplied nominal dimensions separate for accurate OEM quotation.

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Big Blue UDF

OEM configuration	Length	Format	Filter media	Weight	Micron rating	Iodine value	Treatment	Additive	Nominal dimensions
10-Inch Big Blue UDF Coal-Based Granular Activated Carbon Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, UDF granular-media cartridge, Coal-based granular activated carbon. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Coal-based granular activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation
10-Inch Big Blue UDF Coconut-Shell Granular Activated Carbon Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, UDF granular-media cartridge, Coconut-shell granular activated carbon, iodine value >900, Non-acid-washed. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Coconut-shell granular activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Non-acid-washed	Confirm for quotation	Confirm for quotation
10-Inch Big Blue UDF Coconut-Shell Granular Activated Carbon Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, UDF granular-media cartridge, Coconut-shell granular activated carbon, iodine value >1100, Acid-washed. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Coconut-shell granular activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Acid-washed	Confirm for quotation	Confirm for quotation
10-Inch Big Blue UDF Coconut-Shell Granular Activated Carbon Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, UDF granular-media cartridge, Coconut-shell granular activated carbon, 60 g scale-inhibition media. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Coconut-shell granular activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	60 g scale-inhibition media	Confirm for quotation
20-Inch Big Blue UDF Coal-Based Granular Activated Carbon Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, UDF granular-media cartridge, Coal-based granular activated carbon. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Coal-based granular activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation
20-Inch Big Blue UDF Coconut-Shell Granular Activated Carbon Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, UDF granular-media cartridge, Coconut-shell granular activated carbon, iodine value >900, Non-acid-washed. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Coconut-shell granular activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Non-acid-washed	Confirm for quotation	Confirm for quotation
20-Inch Big Blue UDF Coconut-Shell Granular Activated Carbon Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, UDF granular-media cartridge, Coconut-shell granular activated carbon, iodine value >1100, Acid-washed. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Coconut-shell granular activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Acid-washed	Confirm for quotation	Confirm for quotation
20-Inch Big Blue UDF High-Iodine Acid-Washed Coconut-Shell Activated Carbon Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, UDF granular-media cartridge, High-iodine acid-washed coconut-shell activated carbon, Acid-washed, 100 g scale-inhibition media. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	High-iodine acid-washed coconut-shell activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Acid-washed	100 g scale-inhibition media	Confirm for quotation

Big Blue CTO

OEM configuration	Length	Format	Filter media	Weight	Micron rating	Iodine value	Treatment	Additive	Nominal dimensions
10-Inch Big Blue CTO Coal-Based Carbon Block Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, CTO carbon block, Coal-based carbon block, nominal dimensions 40 × 110 × 250. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Coal-based carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 250 mm
10-Inch Big Blue CTO Coconut-Shell Carbon Block Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, CTO carbon block, Coconut-shell carbon block, iodine value 800, nominal dimensions 40 × 110 × 250. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Coconut-shell carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 250 mm
10-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1100, Acid-washed, Silver-loaded, nominal dimensions 40 × 110 × 250. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Acid-washed	Silver-loaded	40 × 110 × 250 mm
10-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1000, Silver-loaded, nominal dimensions 40 × 110 × 250. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Silver-loaded	40 × 110 × 250 mm
10-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1000, nominal dimensions 40 × 110 × 250. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 250 mm
10-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1100, nominal dimensions 40 × 110 × 250. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 250 mm
20-Inch Big Blue CTO Coal-Based Carbon Block Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, CTO carbon block, Coal-based carbon block, nominal dimensions 40 × 110 × 505. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Coal-based carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 505 mm
20-Inch Big Blue CTO Coconut-Shell Carbon Block Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, CTO carbon block, Coconut-shell carbon block, iodine value 800, nominal dimensions 40 × 110 × 505. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Coconut-shell carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 505 mm
20-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1100, Acid-washed, Silver-loaded, nominal dimensions 40 × 110 × 505. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Acid-washed	Silver-loaded	40 × 110 × 505 mm
20-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1000, Silver-loaded, nominal dimensions 40 × 110 × 505. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Silver-loaded	40 × 110 × 505 mm
20-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1000, nominal dimensions 40 × 110 × 505. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 505 mm
20-Inch Big Blue CTO Activated Carbon Block Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, CTO carbon block, Activated carbon block, iodine value 1100, nominal dimensions 40 × 110 × 505. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Activated carbon block	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 505 mm

Big Blue PCO

OEM configuration	Length	Format	Filter media	Weight	Micron rating	Iodine value	Treatment	Additive	Nominal dimensions
10-Inch Big Blue PCO Sintered Activated Carbon Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, PCO sintered carbon block, Sintered activated carbon, nominal dimensions 40 × 110 × 250. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	Sintered activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 250 mm
20-Inch Big Blue PCO Sintered Activated Carbon Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, PCO sintered carbon block, Sintered activated carbon, nominal dimensions 40 × 110 × 505. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	Sintered activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	40 × 110 × 505 mm

Big Blue PCP

OEM configuration	Length	Format	Filter media	Weight	Micron rating	Iodine value	Treatment	Additive	Nominal dimensions
10-Inch Big Blue PCP Composite Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, PP–carbon–PP composite, High-iodine acid-washed coconut-shell activated carbon, iodine value >1100. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	High-iodine acid-washed coconut-shell activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation
20-Inch Big Blue PCP Composite Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, PP–carbon–PP composite, High-iodine acid-washed coconut-shell activated carbon, iodine value >1100. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	High-iodine acid-washed coconut-shell activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation

Big Blue PCPF

OEM configuration	Length	Format	Filter media	Weight	Micron rating	Iodine value	Treatment	Additive	Nominal dimensions
10-Inch Big Blue PCPF Composite Scale-Inhibition Filter CartridgeThis OEM configuration specifies 10-inch length, Big Blue cartridge, PP–carbon–PP composite, High-iodine acid-washed coconut-shell activated carbon, iodine value >1100, Scale-inhibition media. Confirm the final connection and project requirements before quotation.	10-inch	Big Blue cartridge	High-iodine acid-washed coconut-shell activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Scale-inhibition media	Confirm for quotation
20-Inch Big Blue PCPF Composite Scale-Inhibition Filter CartridgeThis OEM configuration specifies 20-inch length, Big Blue cartridge, PP–carbon–PP composite, High-iodine acid-washed coconut-shell activated carbon, iodine value >1100, Scale-inhibition media. Confirm the final connection and project requirements before quotation.	20-inch	Big Blue cartridge	High-iodine acid-washed coconut-shell activated carbon	Confirm for quotation	Confirm for quotation	Confirm for quotation	Confirm for quotation	Scale-inhibition media	Confirm for quotation

How to select a configuration

Match the cartridge format and connection to the intended housing or water purifier.
Confirm cartridge length, supplied dimensions and media construction.
Select the documented weight, micron rating, iodine value, treatment or additive required for the project.
Request a final specification confirmation and OEM quotation before ordering.