Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)
You have no items in your shopping cart.

Free Shipping over $39

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Water Filtration Parts & Accessories From Tier1

Save on Tier1 Parts and Accessories at Discountfilterstore.com

19 Item(s)

Grid  List 

Set Ascending Direction
  • FQMC1044 Tier1 NPT Male Quick Connect Fitting

    FQMC1044 Tier1 NPT Male Quick Connect Fitting

    $3.99 Retail Price:  $6.89
  • CLP-25W Tier1 Inline Water Filter & Membrane Housing Clip
  • CLP-20W Tier1 Inline Water Filter Clip

    CLP-20W Tier1 Inline Water Filter Clip

    $2.99 Retail Price:  $5.74
  • PFR402Q-500 Tier1 Inline Flow Restrictor

    PFR402Q-500 Tier1 Inline Flow Restrictor

    $7.99 Retail Price:  $11.49
  • PFR402Q-150 Tier1 Inline Flow Restrictor

    PFR402Q-150 Tier1 Inline Flow Restrictor

    $9.99 Retail Price:  $13.79
  • OR-LUBRICANT-SM Tier1 Food-Grade Silicone O-Ring Lubricant
  • FQMC1042 Tier1 NPT Male Quick Connect Fitting

    FQMC1042 Tier1 NPT Male Quick Connect Fitting

    $4.99 Retail Price:  $8.04
  • ECC-10 Tier1 Empty Water Filter Cartridges

    ECC-10 Tier1 Empty Water Filter Cartridges

    $5.99 Retail Price:  $9.19
  • ECC-20 Tier1 Empty Water Filter Cartridges

    ECC-20 Tier1 Empty Water Filter Cartridges

    Regular Price: $11.99

    Special Price: $8.05

  • PI2308S Tier1 Two-Way Divider (1/4 Inch with Quick Connect Fittings)
  • OR-34 Tier1 O-Ring

    OR-34 Tier1 O-Ring

    $1.99 Retail Price:  $3.44
  • OR-100 Tier1 Lubricated O-Ring

    OR-100 Tier1 Lubricated O-Ring

    $2.99 Retail Price:  $5.74
  • M34 Tier1 Plastic Hex Nipple

    M34 Tier1 Plastic Hex Nipple

    $2.99 Retail Price:  $5.74
  • ASV-14QW Tier1 Automatic Shut-Off Valve

    ASV-14QW Tier1 Automatic Shut-Off Valve

    $7.99 Retail Price:  $11.49
  • AM-OR Tier1 Filter Housing Sump O-Ring

    AM-OR Tier1 Filter Housing Sump O-Ring

    $8.99 Retail Price:  $12.64
  • 6570590 Tier1 Plastic Tank Ball Valve

    6570590 Tier1 Plastic Tank Ball Valve

    $6.99 Retail Price:  $10.34
  • 6570090 Tier1 Plastic Tank Ball Valve

    6570090 Tier1 Plastic Tank Ball Valve

    $6.99 Retail Price:  $10.34
  • 54846 Tier1 Reverse Osmosis Tank Pressure Gauge

    54846 Tier1 Reverse Osmosis Tank Pressure Gauge

    $8.99 Retail Price:  $12.64
  • M100 Tier1 Plastic Hex Nipple

    M100 Tier1 Plastic Hex Nipple

    $3.49 Retail Price:  $6.31

19 Item(s)

Grid  List 

Set Ascending Direction
Scroll To Top