This foot valve is manufactured from the highest quality materials to ensure years of reliable service. Designed to allow water to flow in one direction only to avoid loss of water, prevent backflow and ensure pipelines do not drain. The foot valve is designed with a filter to prevent debris into the pipeline and pump. Foot valves can be connected to both plastic and metal threaded fittings. PTFE tape or an approved sealant is required. Available in 20mm, 25mm, 32mm, 40mm, 50mm.