X10 Hot Tub & Spa Pre-Filter | KDF + Coconut Carbon | 10,000 Gal Hose Filter for Pools & Spas chemical-free sterilization Strong Fasteners: Secure closure rated

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

Hydroponics: Maintain optimal nutrient solution pH (5

01 calibration buffer designed with hydroponics

Light Source: Blue LED 466 nm

X10 Hot Tub & Spa Pre-Filter | KDF + Coconut Carbon | 10,000 Gal Hose Filter for Pools & Spas chemical-free sterilization Strong Fasteners: Secure closure ratedX10 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,