BAOSHISHAN Ice Bath Water Filter, Upgraded 1/2" FNPT Filter Housing with Top Air Valve, 3 x 5'' 20 Micron Cartridge, 2 x 1/2" MNPT Fittings, Housing Wrench, Compatible with Cold Plunge Tub&Chiller

["Complete Ice Bath Filter Kit – Includes filter housing (built-in air release valve and 2x1/2\" FNPT ports), 3x20-micron cartridges (5\" height), a ball valve, 2M hoses, a wrench & plumbers Tape. Designed for BAOSHISHAN chillers and all 1/2\" NPT cold plunge systems","Top Air Release Valve – Quickly eliminates trapped air during initial setup or after filter changes. Open the value until a steady stream of water flows from the valve, indicating the housing is fully primed. This simple venting design ensures unobstructed, stable water circulation and consistent, reliable chiller operation for your cold plunge system","20-Micron Pleated Precision Filtration – High-efficiency pleated cartridges capture fine sediment, sand, rust, hair and particles, leaving your water crystal-clear, fresh and hygienic while maintaining stable water flow. Ideal for ice baths, cold plunges, and spa systems, it upgrades your experience with cleaner water every time","Easy Maintenance – Durable transparent PC housing lets you monitor filter condition at a glance, so you know exactly when to clean or replace. Use the included wrench to replace cartridges easily. Recommend cleaning or replacing every 4–6 weeks depending on usage to maintain peak performance","Clear Flow Direction – Filter housing has clearly marked inlet and outlet ports on the bottom. Follow the arrows to ensure proper water direction and optimal filtration performance"]