20mm-63mm Clear PVC Check Valve True Union Pipe Fittings for Aquarium Fish Tank
Features:
●High quality material , Non-toxic，Safe，Environmental protection and reliable,Clearance of food-grade safety certification. Smooth and no burrs. Acid and alkali resistant.
●Valve structure: Flap-type ，Can be installed in vertical or horizontal positions, reducing resistance, flexible switching, excellent sealing, and effectively reducing working noise.
●Thickened and Durable. Easy installation.
●The color of this product is transparent with a bit of blue, and is not completely transparent.
●Material: PVC
●Sizes : 20/25/32/40/50/63mm（According to your choice)
●*Manual measurement of data, subject to actual conditions.
●*Due to the light and screen difference, the item's colour may be slightly different from the pictures!
●*Due to the light and screen difference, the item's colour may be slightly different from the pictures!
Package included: (According to your choice)
