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15% Off Sitewide
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Details: Tap offer to copy the coupon code. Remember to paste code when you check out. Online only.
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Verified 1st Jul
Views: 33x
Verified 1st Jul
Views: 33x
Current Promo Offers (November 2024)
10% Off+Free Shipping Sitewide
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Details: Tap offer to copy the coupon code. Remember to paste code when you check out. Online only.
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Verified 1st Jul
Views: 47x
Verified 1st Jul
Views: 47x
10% off and Free Shipping on Any Order of $100+.
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Discount Filter Store: 10% off and Free Shipping on Any Order of $100+. 1 Copy the following coupon code.
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Verified 13th Jun
Views: 84x
Verified 13th Jun
Views: 84x
25% off Tier1 or Tier1 Plus Fridge Filters and Free Shipping
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Discount Filter Store: 25% off Tier1 or Tier1 Plus Fridge Filters and Free Shipping on $39+ Orders. 1 Copy the following coupon code.
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Verified 13th Jun
Views: 82x
Verified 13th Jun
Views: 82x
15% off Tier1 Humidifier Filters.
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Discount Filter Store: 15% off Tier1 Humidifier Filters. 1 Copy the following coupon code.
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Verified 13th Jun
Views: 92x
Verified 13th Jun
Views: 92x
5% Off Plus Free Shipping on Everything Site-Wide with Code - NewYear5
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5% Off Plus Free Shipping on Everything Site-Wide with Code - NewYear5.
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Verified 13th Jun
Views: 29x
Views: 29x
90 Days for General Returns
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If you need to return your purchase, we are happy to take it back within 90 days for General returns, Damaged items or Mis-shipments.
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Verified 13th Jun
Views: 123x
Views: 123x
No Worries Guarantee!
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When we protect your air filter or water filter purchase with our No Worries Guarantee, we mean it! Our Filters Are Protected By Our Price Match Guarantee - We are happy to offer you the lowest possible price on our filters, backed up with our price match guarantee. Our Customer Service Team Is Guaranteed To Answer Your Call - If you call us during business hours, with an order, a question - or even to trouble-shoot filter installation - well pick up the phone.
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Verified 13th Jun
Views: 109x
Views: 109x
Salt-Free Systems for Smaller Homes
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Salt-Free Systems for Smaller Homes.
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Verified 13th Jun
Views: 48x
Views: 48x
25% Off Plus Free Shipping on Tier1 Brand Filters Using Code - NewY.
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25% Off Plus Free Shipping on Tier1 Brand Filters using Code - NewYear25.
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Verified 13th Jun
Views: 61x
Views: 61x
Save Big on Refrigerator Filters with DiscountFilterStore!
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Save Big on Refrigerator Filters with DiscountFilterStore!.
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Verified 13th Jun
Views: 92x
Views: 92x
Checkout Our Full Line of Salt and Salt Free Softening Systems Here!
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Checkout our Full Line of Salt and Salt Free Softening Systems Here!.
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Verified 13th Jun
Views: 83x
Views: 83x
25% Off Plus Free Shipping on Tier1 Brand Filters Using Code - NewY..
25% Off Plus Free Shipping on Tier1 Brand Filters using Code - NewYear25.
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Verified 29th Aug
Views: 2x
Views: 2x
Free Shipping on Orders of $39+ To Continental United States
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Details: No coupon code needed. Tap to shop the sale now.
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Verified 1st Jul
Views: 53x
Views: 53x
Up to 70% Off Your Purchase When You Sign Up For Newsletter
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Details: Get up to 70% off your purchase when you Sign Up for Newsletter.
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Verified 1st Jul
Views: 74x
Views: 74x
30% off Air Filters.
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Discount Filter Store: 30% off Air Filters. 1 Go to Discount Filter Store and Shop!
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Verified 13th Jun
Views: 83x
Views: 83x
Save on Tier1 Undersink Filter System with Faucet.
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Discount Filter Store: Save on Tier1 Undersink Filter System with Faucet. 1 Go to Discount Filter Store and Shop!
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Verified 13th Jun
Views: 87x
Views: 87x
Salt-Free Systems for Larger Homes (to 6th Jun)
10% Off Tier1 and Tier1 Plus Filters+Free Shipping with code Coupon (to 13th Jun)
5% Off+Free Shipping on orders over $39 with code Coupon (to 13th Jun)
Save 5% off on plus Free Shipping Coupon (to 12th Jun)
30% Off Tier1 & Tier1 Plus Refrigerator Filters with code - T1FRIDGE30 Coupon (to 15th Aug)
10% Off All Air Filters with coupon code - SPRINGAIR10 Coupon (to 9th Jun)
UP TO 70% OFF (to 7th Nov)
10% discount at Discountfilterstore.com Coupon (to 14th Oct)
Free shipping at Discountfilterstore.com Coupon (to 14th Oct)
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