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iSpring F4-CUA4 Replacement Pack for 4-Stage Ultra Filtration System CU-A4, Sediment, UF, KDF & AFW43 Water Systems Feed Water Adapter, Fits 1/2" NPT and 3/8" COMP, Cold Water Supply Valve

Price: $117.78
Product prices and availability are accurate as of 2026-01-27 08:37:45 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com at the time of purchase will apply to the purchase of this product.
Availability: Not Available Discontinued
CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Product Features

Product 1: PP Sediment Filter (5 microns) removes larger particles like rust sand and dirt ) Ultra Filtration Filter (contains hollow fiber membrane technology with a pore size of just 0 01 micron ) KDF and GAC Filter (provides much better control of particularly problematic contaminants including chloramine hydrogen sulfide and metals) Fine Activated Carbon Filter (provides final polishing before the purified water is delivered to the faucet removing any possible residual chlorine tastes or odors )

Product 1: EASY-TO-REPLACE FILTER Filter replacement is designed for ease No need to disconnect hoses or water lines Just Twist On / Twist Off filter cartridges make changing filters a snap

Product 1: FEATURE iSpring F4-CUA4 Replacement filter pack includes one of each filter for CU-A4 Ultra Filtration System

Product 1: SAVE EARTH Reduce your environmental impact as the inline filter cartridge design prevents 2nd-time pollution

Product 2: Durable and easy to install - Push-in quick connect fittings offer easy DIY installation with no tools required

Product 2: Fits Both 1/2" NPT and 3/8" Comp Cold Water Supply Valve

Product 2: Suitable for most RO systems in the market

Product 2: Ceramic valve disk for up to 1 million leak-free smooth turns

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