It's $190 under the best price we could find for a new one and the lowest price we could find. A 2-year Allstate warranty applies. Buy Now at eBay
- NSF/ANSI standard 42 &58 & 372 certified, 9-Stage filtration
- 800 GPD high capacity, 3:1 pure to drain ratio
- Smart faucet, LED function
- Stylish look, tankless design
- Model: WD-G3P800-W
Prime members can apply coupon code "WD10UAPF" for a savings of $19. Buy Now at Amazon
- five stage filtration
- each filter has a maximum service life of 12 months or 8,000 gallons
- Model: WD10UA
- Model: WD-10UA
That's the best price we could find by $50. Buy Now at Amazon
- reduces TDS, PFOA, PFOS, Chlorine, Salt, Sediment, Lead, Odor, and more
- adds beneficial minerals and adjust PH level
- 12-month filter for up to 4,000 water bottles
- Model: WD-C1SL
Apply the promo code "USDEAL026" and you'll cut an extra $26 off the price of this water filtration system. You'd pay $51 more for it today at Amazon. It'll also ship for from from a US warehouse. Buy Now at AliExpress
- 24-month lifespan
- PP, UF, and CT filters
Apply promo code "AEUS10" to take an extra $10 off and get it for $5 less than the price at eBay. Also, it ships free from a US warehouse. Buy Now at AliExpress
Apply coupon code "DNG3P600" for a savings of $100. A 2-year warranty is included from Allstate. Buy Now at eBay
- NSF/ANSI 42& 58 & 372 Certified, 8-stage filtration
- 600 GPD high capacity, 2:1 low drain ratio
- Smart display faucet, tankless design, easy replacement
- Model: G3P600
Apply coupon code "WDG2WRO10" for a savings of $80. Plus, this item comes with a 2-year warranty backed by Allstate. Buy Now at eBay
- 7-stage filtration
- water flow rate of up to 400 GPD
- tankless design
- high-grade RO membrane
- Model: WD-G2-W
We've pictured the Waterdrop Under Sink 9-Stage Filtration Water Filtration System for $112 ($28 off and the lowest price we could find). Shop Now at Amazon