This easy-to-use filter reference chart can help you find the replacement filter that you need. If you do not find the filter you need, email us with the manufacturer's name and the model/part number of the filter and we will either direct you to its location on our site or quote you if it is something we can obtain.

Looking to find a replacement housing or filter for your obsolete water filter system? Click on any link below to view a cross reference chart for your system.
• standard filter housings	• undersink housings	• heavy duty housings	• stainless steel housings
• sediment filters	• taste, odor & sediment filters	• taste & odor filters	• speciality filters
• heavy duty filters	• heavy duty taste & odor filters	• undersink systems	• in-line filters

Standard Filter Housings After you find your replacement housing simply click on the left links to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
W34-PR/W34-PRB	PS-00	AP11S	FHO-34	BFS10/CWH-34	11N	HF-150
WC34-PR/WC34-PRB	PSCL-00	AP11T	FHT-34	BFS10/CWHC-34	21N	HF-160
WC34-PR/W20CL or WC34-PRB/W20CL	PSCL-S1	-	-	1PS/SF10	-	-
WC34-PR/W5CIP or W34-PRB/W5CIP	PSCL-C1	-	-	1PC	-	HF-150
WVC34/W20CL	PVHCL-S1	AP101T	FHT-34VSS	VIH/CWH-VIH	21V/525	HF-360
W34-PRM	150574/PD-5-934	-	-	-	-	-
WH34	#10 Red	-	-	-	-	-

Undersink Filter Housings Find your replacement housing by using the chart below, then simply click on the left links to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
W38-PRA/W5CIP or W38-PRB/W5CIP	OSL-C1 or CSL-C1	-	UST-38	CUS-38/DW-5	-	US-550
W38-PRA/WCC or W38-PRB/WCC	OSL-GAC-10	-	UST-38	-	-	-
W38-PRQC	158645	-	-	-	-	-
W385-PR	PS-C2	AP200	USTM-38	-	3212N	-

Heavy Duty Housings After you find your replacement housing simply click on the left links to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
W10-PR	HD-10	SP801	FHOBB-01	CHD-100	14/BG10	HD-950
W15-PR	HD-15	AP801-1.5	-	HDF-150	15/BG10	-
W10-PR/W50PEHD	HD-10/R50-BBS	-	-	-	-	HD-950
W15-PR/W50PEHD	HD-15/R50-BBS	-	-	-	-	-
W2010-PR	HD20-10-HFPP	AP802	-	-	BG20	-
W2015-PR	HD20-15-HFPP	AP802-1.5	FHOBB2-15	-	BG20	-
W10-BC	-	-	-	-	CG10	-

Stainless Steel Housings Find your replacement housing in the chart and simply click on the left links to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
ST-1	ST-1	SS-1HA/SST-1HA	-	1MS	41	-
ST-2	ST-2	SS-2HA-SST-2HA	-	2MS	43	-
ST-3	ST-3	-	-	-	44	-

Sediment Filter Cartridges Follow the chart below to find a replacement for your old water filter. Follow the links on the left to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
WPD-110	PD-5-934	AP-110H/C	MB05	-	525 or RB510	-
WPD-25	PD-25-934	AP-111H/C	MB20	ISHW	110 or RB2510	-
WPD-50	PD-50-934	AP124H/C	MB50	ISM	525	-
W5CP	CP-5	-	PC05	-	-	-
W30PE	R30	-	PP20	-	-	-
W50PE	R50	-	PP50	-	550	-
W5P478	P5-478	AP110M	-	4SS-12	120	-
W5P	P5	AP-110H/C	MB05	SED-P5	-	P5
W25P	P25	AP-111H/C	MB20	-	-	-
W5W	CW-F/WP-5	AP-110H/C	SW05	1SS/1SL/SED-S4	W5	CW-F
W30W	CW-MF/WP-30	AP-111H/C	SW20	-	W30	CW-MF
W50W	CW-50	AP-124H-C	SW50	1SHD	-	-
W20CLA	S1A	-	PC20	-	-	S1

Taste, Odor, & Sediment Filter Cartridges After you find your replacement filter simply click on the left links to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
RWC-5	RWC-5	AP-117	GAC10	1CLL24-5	-	-
DW-200-R	-	HP-217	-	-	-	-

Taste & Odor Filter Cartridges Look for your obsolete filter # and then click on the left links to view/purchase a replacement. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
W5CIP478	C2	-	-	-	-	-
W5CIP	C1	-	CC-05	-	-	C1
W.5CB478	CBC-5	CBA5N	-	-	-	-
W.5CB	CBC-10	-	-	-	-	CBC-10
WGC478	GAC-5	AP217	-	-	-	-
WCC	CC-10/GAC-10	AP117	GAC-10	-	-	CC-10
WCEP-10E	-	-	CTOB10N	-	-	-

Specialty Filter Cartridges Look for your old/obsolete filter # and then click on the left links to view/purchase a replacement. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
WLC-R	CBR2-10R	CBA10PB	CTOA10PB	1LR/DW-CMR	850	-
WPCC	PCC-1	AP420	SI-005	4S1	720	-

Heavy Duty Sediment Filter Cartridges Look for your obsolete filter # and then click on the left links to view/purchase a replacement. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
W5CPHD	CP5-BBS/CP5-BB	AP810	PC05-BB	-	GCP5	CP5-BBS
W30PEHD	R30-BBS/R30-BB	AP811	PP20-BB	-	GCE30	-
W50PEHD	R50-BBS/R50-BB	AP814	PP50-BB	SEDHD-50	GPE50	R50-BBS
W20CLHD	S1-BBS/S1-BB	-	PC20-BB	-	-	-
W20CLHD20	S1-20BBS/S1-20BB	-	-	-	-	-
WDGD-5005	DGD-5005	AP810	-	HDSC5	-	-

Heavy Duty Taste & Odor Filter Cartridges Look for your obsolete filter # and then click on the left links to view/purchase a replacement. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
WGCHD	GAC-BBS/GAC-BB	-	-	-	CGAC10	-
WRC25HD	RFC-BBS/RFC-BB	AP815	-	HDTO	900 or BGC10	RFC-BBS
WRC25HD20	RFC20-BBS/RFC20-BB	AP815-2	-	-	GBR-20	-
W.5CBHD	CBC-BBS/CBC-BB	-	-	-	GCB910	-

Undersink Systems After you find your replacement system simply click on the left links to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
DW-600	-	AP-DWS750	PW200	-	-	-
WLCS-1000	US-1500	APDWS-1000	PW-U52M	-	-	-
W-250	P-250	-	-	-	-	-
WRO-3000	RO-3000	APRO5000/5500	PW-RO1	-	-	-
WRO-3500	RO-3500	-	PW-RO2	-	-	-

In-Line Filters After you find your replacement filter # simply click on the left links to view/purchase. top ↑
American Plumber	Ametek/US Filter Pentek	Cuno Aqua-Pure	Cuno Purewater	Campbell Filterite	Keystone	Keen Plus
WIC	IC-100/101/102	-	IL-T02	IC6/CIC6	-	IC-100
WICS	TS-100	AP717	-	556	3300	-
WIC-6	-	-	IL-T01	-	-	-
WIC-600	-	-	-	-	-	-

Note: Not all filters are EXACT matches, some might be "close".
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