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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