Description The bottom valves, also known as the check valves, is low-pressure flat valves. Using PVC materials, not easy to break, compact size and lightweight, it is easy to install, has reasonable design and practical functions. With high toughness, it is not easy to deform or break for long time to use. Features -Color: White. -Material: PVC. -Size: About 14.00X10.00X10.00cm/5.50X3.93X3.93in. -Type: 2 inch interface (about 50mm). - Made of PVC material, stable and durable, not easy to break, can withstand long time working in water. - The installation of the bottom valves will effectively ensure the effective suction stroke of the pump. - Exquisite craftsmanship, carefully crafted, thick workmanship, durable and wear-resistant, easy to use, long service life. - After the bottom valves is installed, the suction stroke of the pump will be more secure. - The appearance is beautiful, the structure is simple, the installation method is simple, convenient to use. Made of PVC material, stable and durable, not easy to break, can withstand long time working in water. The installation of the bottom valves will effectively ensure the effective suction stroke of the pump. Exquisite craftsmanship, carefully crafted, thick workmanship, durable and wear-resistant, easy to use, long service life. After the bottom valves is installed, the suction stroke of the pump will be more secure. The appearance is beautiful, the structure is simple, the installation method is simple, convenient to use.