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In-Line Water Filters

WIC-600 American Plumber Undersink Filter System
Fits any 1/4 inch water line.
Our Price: $32.99
Compare At: $45.99
You Save: $13.00 (28%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
600R American Plumber Undersink Filter Replacement Cartridge
Fits American Plumber models WIC-600 and DW-600 filter systems.
  • Compatible with 600R, 1000R, 1000R-D, 155785, 155785-43, 155785-51, 155901, 155901-43, 255706-43, 4194338, 4194346, 4194353, 4201661, 750R, 750R-D, QC10… see all part numbers related to the 600R
  • Lasts up to 6 months
  • Removes Chlorine, Lead, Cysts, Lindane, Atrazine, Bad Taste and Odor, Sediment
  • Genuine OEM Filter
Our Price: $25.99
Compare At: $29.99
You Save: $4.00 (13%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
Fits any 1/4 inch water line.
Our Price: $11.99
Compare At: $15.99
You Save: $4.00 (25%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
Fits any 1/4 inch water line.
Our Price: $13.99
Compare At: $18.99
You Save: $5.00 (26%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
IC-100-D Culligan Level 1 Disposable Inline Filter
Easy to install inline basic refrigerator water filter with additional water tubing adapters.
Our Price: $9.99
Compare At: $13.99
You Save: $4.00 (29%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
Easy to install large capacity inline water filter for removing the taste and odor of chlorine and scale.
Our Price: $19.99
Compare At: $25.99
You Save: $6.00 (23%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System
Easy to install inline basic refrigerator water filter by Culligan with replacement filter. Filter head comes with brackets and fits 1/4 inch tubing.
Our Price: $16.99
Compare At: $25.99
You Save: $9.00 (35%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
RC-EZ-1 Culligan Level 1 Easy-Change Inline Filter Replacement Cartridge
Fits Culligan Easy-Change filter systems including IC-EZ-1, US-EZ-1, and RV-EZ-1.
  • Compatible with 4294146, 4294153, 4294161, RC-EZ-1, RC-EZ-3, RC-EZ-4… see all part numbers related to the RC-EZ-1
  • Lasts up to 12 months
  • Removes Chlorine, Bad Taste and Odor, Particulates (Class III)
  • Genuine OEM Filter
Our Price: $10.99
Compare At: $17.99
You Save: $7.00 (39%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
Easy to install inline advanced refrigerator water filter by Culligan with replacement filter. Filter head comes with brackets and fits 1/4 inch tubing.
Our Price: $24.99
Compare At: $36.99
You Save: $12.00 (32%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge
Fits Culligan Easy-Change filter systems including IC-EZ-3, US-EZ-3, and RV-EZ-3.
Our Price: $19.99
Compare At: $27.99
You Save: $8.00 (29%)
This item is currently out of stock.
IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System
Easy to install inline premium refrigerator water filter by Culligan with replacement filter. Filter head comes with brackets and fits 1/4 inch tubing.
Our Price: $46.99
Compare At: $59.99
You Save: $13.00 (22%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
Fits Culligan Easy-Change filter systems including IC-EZ-4, US-EZ-4, and RV-EZ-4.
Our Price: $32.99
Compare At: $41.99
You Save: $9.00 (21%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
AP431 Aqua-Pure Inline Filter Replacement Cartridge
Fits Aqua-Pure AP430 and AP430-SS filtered hot water systems.
List Price: $31.28
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
APIL3R Aqua-Pure Inline Filter Replacement Cartridge
Fits the Aqua-Pure APIL3 inline filter system.
  • Compatible with 04638446000, 38446, 42-38446, 4238446, 46-38446, 4638446, 56053-12, APIL3, APIL3R… see all part numbers related to the APIL3R
  • Lasts up to 6 months
  • Removes Chlorine, Sediment, Rust, Cysts, Lead, Bad taste and odor
  • Genuine OEM Filter
  • Made in U.S.A.
List Price: $39.02
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
AP717 Aqua-Pure Inline Filter System
Fits any 1/4 inch plastic or copper water line.
  • Compatible with 55513-12, AP717, ED-17-TL, ED17TL, WHCF-IMTO, WHCF-IMTOL, WHKF-IMTO, WHKF-IMTOL… see all part numbers related to the AP717
  • Lasts up to 6 months
  • Removes Chlorine, Rust, Dirt, Scale
  • Genuine OEM Filter
  • Made in U.S.A.
List Price: $28.39
This item is currently out of stock.
R200 OmniFilter Inline Filter System
Fits any 1/4 inch plastic or copper water line.
  • Compatible with R200, 18001001, 18001009, 18001010, 25004006, 25004018, 25004022, 25004082, 3010541600, 3019974100, 3650JD8050A, 3890JC2990A, 4210359, 4… see all part numbers related to the R200
  • Lasts up to 12 months
  • Removes Chlorine, Sediment, Rust
  • Genuine OEM Filter
Our Price: $10.49
Compare At: $15.99
You Save: $5.50 (34%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GXULQ GE Undersink Filter System
The GE GXULQ kitchen or bath filtration system offers a premium quality filter head and cartridge that fits conveniently under your sink. The high flow rate on the filter cartridge means you can enjoy better tasting water anywhere in your home without having to add a separate faucet for filtered water. This makes the GXULQ an ideal choice for use in both kitchen and bathroom sinks and faucets.
Our Price: $51.99
This item is currently out of stock.
GXULQR GE Undersink Filter Replacement Cartridge
Fits the GE GXULQ and GNULQ Systems.
Our Price: $28.99
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GXRTQR GE SmartWater Inline Filter Replacement Cartridge
Fits the GE SmartWater GXRTQ filter system.
  • Compatible with GXRTQR, 04638442000, 04638447000, 215C1107P002, 251B6036P001, 38442, 38447, 42-38442, 42-38447, 4238442, 4238447, 46-38442, 46-38447, 46… see all part numbers related to the GXRTQR
  • Lasts up to 6 months
  • Removes Chlorine, Sediment, Rust
  • Genuine OEM Filter
Our Price: $12.99
Compare At: $17.99
You Save: $5.00 (28%)
Usually ships in 3-5 days
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GXRTDR GE SmartWater Inline Filter Cartridge
Fits any 1/4 inch plastic or copper water line.
Our Price: $9.99
Compare At: $11.99
You Save: $2.00 (17%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GXRLQ GE SmartWater Inline Filter System
Fits any 1/4 inch plastic or copper water line.
Our Price: $23.69
Compare At: $28.99
You Save: $5.30 (18%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GXRLQR GE SmartWater Inline Filter Replacement Cartridge
Fits the GE SmartWater GXRLQ filter system.
Our Price: $20.99
Compare At: $26.99
You Save: $6.00 (22%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K2533JJ Omnipure Water Filter
  • Compatible with 01-0000-79, AC15, AC30, AC36, H-30S, H-5, H-53, H-8, H-83, H-83SR, K2533-JJ, K2533JJ… see all part numbers related to the K2533JJ
  • Lasts up to 12 months
  • Removes Chlorine, Bad Taste and Odor
  • Genuine OEM Filter
  • Made in U.S.A.
Our Price: $9.49
Compare At: $14.99
You Save: $5.50 (37%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
Q5505 Omnipure Water Filter
Our Price: $10.49
Compare At: $15.99
You Save: $5.50 (34%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
Q5515 Omnipure Water Filter
Our Price: $14.49
Compare At: $19.99
You Save: $5.50 (28%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K2533BB Omnipure Inline GAC Filter Cartridge
Fits standard 1/4 inch water lines.
Our Price: $8.99
Compare At: $10.99
You Save: $2.00 (18%)
This item is currently out of stock.
K2533TJ Omnipure Inline Carbon Filter
Fits standard 1/4 inch water lines that use a twin inlet fitting.
Our Price: $8.99
Compare At: $10.99
You Save: $2.00 (18%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge
Fits standard 1/4 inch water lines.
Our Price: $14.99
Compare At: $21.99
You Save: $7.00 (32%)
This item is currently out of stock.
K5520SS Omnipure Inline GAC Filter Cartridge
Fits standard 1/4 inch water lines.
Our Price: $19.99
Compare At: $22.99
You Save: $3.00 (13%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K5567BB Omnipure Inline Filter Replacement Cartridge
Fits standard 1/4 inch water lines.
Our Price: $16.99
Compare At: $18.99
You Save: $2.00 (11%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K5567JJ Omnipure Inline Filter Replacement Cartridge
Fits standard 1/4 inch water lines.
Our Price: $18.99
Compare At: $21.99
You Save: $3.00 (14%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K5633CC Omnipure Inline GAC Filter Cartridge
Fits standard 3/8 inch water lines.
Our Price: $11.99
Compare At: $14.99
You Save: $3.00 (20%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K5633JJ Omnipure Inline GAC Filter Cartridge
Fits standard 1/4 inch water lines.
Our Price: $12.99
Compare At: $14.99
You Save: $2.00 (13%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K5633KK Omnipure Inline GAC Filter Cartridge
Fits standard 3/8 inch water lines.
Our Price: $12.99
Compare At: $14.99
You Save: $2.00 (13%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
K5633BB Omnipure Inline GAC Filter Cartridge
Fits standard 1/4 inch water lines.
Our Price: $11.99
Compare At: $13.99
You Save: $2.00 (14%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
Q5386 Omnipure Inline Filter Replacement Cartridge
Fits the Omnipure QVH and QNVH Twist Tap series filter heads.
Our Price: $13.99
Compare At: $15.99
You Save: $2.00 (13%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
Q5486 Omnipure Twist-Tap Inline Filter Replacement Cartridge
Fits the Omnipure QVH and QNVH Twist Tap series filter heads.
Our Price: $10.99
Compare At: $12.99
You Save: $2.00 (15%)
This item is currently out of stock.
QNVH-BB Omnipure Twist Tap 1/4-inch NPT Non-Valved Filter Head
Fits standard 1/4 inch water lines.
Our Price: $10.99
Compare At: $14.99
You Save: $4.00 (27%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
QNVH-JJ Omnipure 1/4-inch Quick Connect Non-Valved Filter Head
Fits standard 1/4 inch water lines.
Our Price: $8.99
Compare At: $11.99
You Save: $3.00 (25%)
This item is currently out of stock.
GS-6RO-B Pentek Inline Filter Replacement Cartridge
Fits 1/4 inch water lines with 1/4 inch MPT.
Our Price: $7.79
Compare At: $8.99
You Save: $1.20 (13%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GS-10-B Pentek Inline Filter Replacement Cartridge
Fits 1/4 inch water lines.
Our Price: $7.99
Compare At: $8.99
You Save: $1.00 (11%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GS-10-JG14 Pentek Inline Filter System
Fits 1/4 inch water lines.
Our Price: $9.99
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GS-10ALS-JG14 Pentek Inline Filter System
Fits 1/4 inch water lines.
Our Price: $11.99
Compare At: $13.99
You Save: $2.00 (14%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
GS-215-CB5-B Pentek Inline Filter Replacement Cartridge
Fits 1/4 inch water lines.
Our Price: $21.99
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal
ELF-NV-HEAD-DK7-P6 Omnipure Inline Filter Head
Fits any 3/8 inch water line.
Our Price: $11.99
Compare At: $13.99
You Save: $2.00 (14%)
In Stock: Yes
DiscountFilterStore accepts Visa, MasterCard, American Express, Discover, and PayPal