1. All Filters

2. Carbon Water Block Filter Cartridges

Carbon Filters

Explore our full line of carbon water filter replacement options including options like granular activated carbon (GAC) and carbon block cartridges. Find a variety of sizes, including standard 10 inch and 20 inch in 2.5” slim cartridges and 4.5” BB cartridges, so you can find the right carbon filter for your RO Reverse Osmosis System, RV water filter system, whole house filter system, and more. Get premium reduction of chlorine taste & odor, and be sure to explore our NSF 42 carbon media cartridges.

Carbon Filter Cross Reference Chart

	Size	Rating	SpiroPure	Pentek	Hydronix	Culligan
PAC Series Powdered Activated Carbon	2.5" x 5"	0.5 micron 5 micron	SP-CBR2-5 SP-EP-5	CBC-5 / 155169-43 EP-5 / 255424-43	CB-25-0505
	2.5" x 10"	0.5 micron 1 micron 5 micron 10 micron	SP-CBR2-10 SP-CBC-10 SP-EP-10 SP-EPM-10	CBR2-10 / 155268-43 CBR2-10R / 155403-43 CBC-10 / 155162-43 CFB-PB10 / 255681-43 CFBC-10 / 255679-43 FloPlus-10 / 455903-43 SCBC-10 / 155350-43 CB1-10 / 255382-43 CCBC-10 / 155713-43 EP-10 / 155531-43 CEP-10E / 155714-43 EPM-10 / 155634-43 CFB-10 / 255671-43	SMCB-2510 CB-25-1001 CB-25-1005 CB-25-1010
	2.5" x 20"	0.5 micron 1 micron 5 micron 10 micron	SP-CBR2-20 SP-CBC-20 SP-EP-20 SP-EPM-20	CBC-20 / 155309-43 CFBC-20 / 255680-43 FloPlus-20 / 455904-43 EP-20 / 155529 CEP-20E / 155788-43 EPM-20 / 155635-43 CFB-20 / 255672-43	SMCB-2520 CB-25-2001 CB-25-2005 CB-25-2010
	2.5" x 30"	5 micron 10 micron	SP-EP-30 SP-EPM-30	EP-30 / 155698-43 CFB-30 / 255673-43
	2.5" x 40"	5 micron	SP-EP-40	EP5-40 / 155815-03
	4.5" x 10"	0.5 micron 1 micron 5 micron 10 micron	SP-CBR2-BB SP-CBC-BB SP-EP-BB SP-EPM-BB	CBC-BB / 155170-43 FloPlus-10BB / 455905-43 EP-BB / 155548-43 EPM-BB / 155782-43	SMCB-4510 CB-45-1001 CB-45-1005 CB-45-1010
	4.5" x 20"	0.5 micron 1 micron 5 micron 10 micron	SP-CBR2-20BB SP-CBC-20BB SP-EP-20BB SP-EPM-20BB	CBC20-BB / 155312-43 FloPlus-20BB / 455906-43 EP-20BB / 155583-43 EPM-20BB / 155783-43	SMCB-4520 CB-45-2001 CB-45-2005 CB-45-2010
CC1 Series Catalytic Carbon	2.5" x 10"	1 micron	SP-CC1-10
	2.5" x 20"	1 micron	SP-CC1-20
	4.5" x 10"	1 micron	SP-CC1-BB
	4.5" x 20"	1 micron	SP-CC1-20BB
GAC Series Granular Activated Carbon	2.5" x 5"	20 micron	SP-GAC-5	GAC-5 / 155110-43
	2.5" x 10"	20 micron	SP-GAC-10 / SP-GAC-10R	GAC-10 / 155109-43 CC-10 / 155155-43
	2.5" x 20"	20 micron	SP-GAC-20	GAC-20 / 155111-43 CC-20 / 155138-43
	4.5" x 10"	20 micron	SP-GAC-BB	GAC-BB / 155153-43
	4.5" x 20"	20 micron	SP-GAC-20BB	GAC-20BB / 155249-43
RFC Series Radial Flow Carbon	2.5" x 10"	25 micron	SP-RFC-10	RFC-93 / 155063-43	SDP-2510
	2.5" x 20"	25 micron	SP-RFC-20	RFC-20 / 155065-43	SDP-2520
	4.5" x 10"	25 micron	SP-RFC-BB	RFC-BB / 155141-43	SDP-4510	RFC-BBSA
	4.5" x 20"	25 micron	SP-RFC-20BB	RFC20-BB / 155247-43	SDP-4520
C Series Carbon Impregnated Non-Cellulose Polyester	2.5" x 5"	5 micron	SP-C1-478	C2 / 155022-43
	2.5" x 10"	1 micron 5 micron	SP-C8 SP-C1	C8 / 155220-43 C1 / 155002-43 CS1 / 155528-43		D-10A
	2.5" x 20"	5 micron	SP-C1-20	C1-20 / 155597-43
	4.5" x 10"	5 micron	SP-C1-BB
	4.5" x 20"	5 micron	SP-C1-20BB	C1-20BB / 155651-43
NCP Series Carbon Impregnated Non-Cellulose Polyester	2.5" x 10"	10 micron	SP-NCP-10	NCP-10 / 155367-43
	2.5" x 20"	10 micron	SP-NCP-20	NCP-20 / 155397-43
	4.5" x 10"	10 micron	SP-NCP-BB	NCP-BB / 155398-43
	4.5" x 20"	10 micron	SP-NCP-20BB	NCP-20BB / 155382-43