X10 Hot Tub & Spa Pre-Filter | KDF + Coconut Carbon | 10,000 Gal Hose Filter for Pools & Spas chemical-free sterilization free from the chemical taste

free from the chemical taste and odor found in tap water

Strong Fasteners: Secure closure rated for long-term repeated use

0-400% NaCl salinity

While single-use sachets might seem more expensive than bottled solutions

01 calibration buffer designed with hydroponics

X10 Hot Tub & Spa Pre-Filter | KDF + Coconut Carbon | 10,000 Gal Hose Filter for Pools & Spas chemical-free sterilization free from the chemical tasteX10 Hot Tub & Spa Pre Filter Fill Your Hot Tub with Cleaner, Purer Water The X10 Water Filter is a purpose built spa pre filter (hose filter for hot tubs) that removes heavy metals, chlorine, iron, rust, hydrogen sulfide, and other contaminants from your fill water before they ever enter your spa. Whether you're filling from tap, well, or lake water, the X10 dramatically reduces the impurities that damage heater elements, jets, pumps, and spa shells,