Tranz former valve, fits existing float valves with ght fitting on top, made from durable non-corrosive gf nylon, tranzforms restricted flow valves into high flow valves by attaching to the top of the existing valve, & offering a full open release. 5-100 psi range, uses the existing float parts to trigger the additional full flow valve, durable molded housing with a unique no twist ght fitting on top, easy 3 minute install, no tools needed.