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 Filters by Tier1

Save on Tier1 Water Filters at Discountfilterstore.com

8 Item(s)

Grid  List 

Set Descending Direction
  1. EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More
    (Retail Price: $22.99 ) $19.99
  2. EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More
    (Retail Price: $62.09 ) $51.99
  3. KDF55-10BB Tier1 Water Filter

    KDF55-10BB Tier1 Water Filter

    Sized at 10 x 4.5 inches, this filter will fit into all #10 Big Blue filtration system housings Learn More
    (Retail Price: $68.99 ) $57.99
  4. RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  5. P5-10 Tier1 Sediment Water Filter

    P5-10 Tier1 Sediment Water Filter

    Fits into most industry standard 10-inch water filtration system housings Learn More
    (Retail Price: $4.59 ) $1.99
  6. EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    Fits into most industry standard 10-inch water filtration system housings Learn More
    (Retail Price: $11.49 ) $7.99
  7. P5-20 Tier1 Whole House Sediment Water Filter

    P5-20 Tier1 Whole House Sediment Water Filter

    Sized 20 x 2.5 inches Learn More
    (Retail Price: $9.19 ) $5.99
  8. P5-20BB Tier1 Whole House Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    Fits filtration system housings that accept 20 x 4.5 inch cartridges Learn More
    (Retail Price: $27.59 ) $21.99

8 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top