Undersink Water Filters

Undersink Water Filters
Undersink filters are a point of use option for quality water filtration. A quickly evolving field in water filtration, under-sink systems are becoming more sleek and compact while replacement filters are becoming smarter and more adaptable, some featuring turn to lock installation and other quick change options. No matter what room you designate the filter for it will allow you to provide filtered fresh water right from the faucet. Enjoy better tasting water with Tier1 today!

14 Products found

Set Descending Direction
Page
View as List Grid
  1. AP117 Comparable Tier1 Granular Activated Carbon Replacement Cartridge

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges The solid core of the filter may inhibit it from fitting in some housing caps and sump posts.
    Price $11.29 List Price Price $16.99 Save 33%
    1 Pack Selected
  2. Price $7.04 List Price Price $10.99 Save 35%
    1 Pack Selected
  3. RO-QC4-RORM Tier1 4-Stage Reverse Osmosis System Replacement Membrane

    Designed to fit the Tier1 RO-QC-450, QCRO, and QCUF Reverse Osmosis Systems
    Price $54.99 List Price Price $78.99 Save 30%
    Free Shipping
    1 Pack Selected
  4. US-UF-100-RM Tier1 Ultra-Filtration Hollow Fiber Water Filter System Replacement Membrane

    Fits the 4-Stage Ultra-Filtration Hollow Fiber Drinking Water Filter System by Tier1
    Price $59.85 List Price Price $85.99 Save 30%
    Free Shipping
    1 Pack Selected
  5. Tier1 3US-AF01 Comparable Under Sink Filter Replacement Cartridge

    Fits the 3US-AS01 Filtrete Undersink Filter System
    Price $30.99 List Price Price $43.99 Save 29%
    1 Pack Selected
  6. TROM-50 Tier1 Replacement Reverse Osmosis Membrane (50 GPD)

    Fits most residential RO systems with 50 gallons per day of flow rate
    Price $22.89 List Price Price $32.99 Save 30%
    1 Pack Selected
  7. RO-QC4-SDRF Tier1 4-Stage Reverse Osmosis System Replacement Sediment Filter

    Designed to fit the Tier1 RO-QC-450, QCRO, and QCUF Reverse Osmosis Systems
    Price $26.99 List Price Price $38.99 Save 30%
    1 Pack Selected
  8. RO-QC-450-CBRF Tier1 4-Stage Reverse Osmosis System Replacement Carbon Block Filter

    Designed to fit the Tier1 RO-QC-450, QCRO, and QCUF Reverse Osmosis Systems
    Price $25.41 List Price Price $35.99 Save 29%
    1 Pack Selected
  9. Price $36.99 List Price Price $52.99 Save 30%
    Free Shipping
    1 Pack Selected
  10. 10 inch x 2.5 inch Tier1 (5 Micron) Pleated Sediment Water Filter

    9 7/8 inches by 2.5 inches, 5 micron. Fits into systems that use Liquatec SPF-25-1005, Pentek 255482-43 and Watts FM-5-975 water filters
    Price $8.89 List Price Price $12.99 Save 31%
    1 Pack Selected
  11. US-UF-100-CBRF Tier1 Ultra-Filtration Hollow Fiber Water Filter System Replacement Carbon Filter Cartridge

    Fits the 4-Stage Ultra-Filtration Hollow Fiber Drinking Water Filter System by Tier1
    Price $31.76 List Price Price $44.99 Save 29%
    1 Pack Selected
  12. US-UF-100-SDRF-5 Tier1 Ultra-Filtration Hollow Fiber Water Filter System Replacement Sediment Filter Cartridge (5 Micron)

    Fits the 4-Stage Ultra-Filtration Hollow Fiber Drinking Water Filter System by Tier1
    Price $23.98 List Price Price $33.99 Save 29%
    1 Pack Selected

14 Products found

Set Descending Direction
Page
View as List Grid