Non Return Check Valves, 16pcs, enough for daily use and replacement.
Air Hole Diameter: 5mm/ 0.19inch, overall size: 5 x 1.5cm/ 1.9 x 0.6inch(LxD). Proper size for universal air pump, fish tank, aquarium, fishing tackle shop, etc.
Small and compact, which protect air pump by preventing aquarium water from back siphoning during a power outage.
Made of high quality Plastic material, not easy to aging, sturdy and durable.
Function: the check valves are applicable for fluid systems to prevent countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air
Material and size: the one way check valves are made of PVDF, sturdy, wear-resistant and durable for long-term use; Each check valve measures 6.3 mm/ 1/4 inches, the total length is 38 mm/ 1.50 inches
Features: the pipe port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic, with good airtightness and good adsorption performance
Easy to install: the non-return check valve is easy to install, convenient for you to unscrew and replace
Effective performance: our check valves can effectively prevent countercurrent liquids for fluid system or backward flow of compressed air for pneumatic system
Durable material: made of quality PVDF material which is stable and durable to use, has nice wear-resistant feature, not easy to rust or break, can support for long time using
Size information: our check valve measures approx. 6.3 mm/ 1/4 inch in diameter and 38 mm/ 1.5 inches in full length, please make sure the size is suitable for your needs before purchasing
Considerate design: our pipe port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic to use, contains good airtightness and adsorption function, convenient to install and operate
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