Hydro Life 170 - TF Replacement Filter (12 per case) OEM replacement filter with 1/2" male threaded fittings. The finest acid washed coconut shell carbon used in conjunction with "bacteriostatic" KDF media, combine to address many of today's water problems. Contaminants addressed include bacteria, heavy metals, hydrogen sulfide, lime/scale, chlorine, VOC's, taste, and odor. Specifications: width: 2". Length: 10". Working pressure: 20-100 psi. Flow rate: 1 gpm. Capacity: up to 7,000 gallons. Temperature range: 35-100F degree. Fits: HL 170TF kit. #3