10Pcs/Lot 5 6 7mm PP Exquisite Check Valve Aquarium Water Air Pump Fittings Drip Watering Irrigation Hose Non-Return Valve Water Pipe One-way Valve

Product Name: PP Exquisite Check Valve Valve Body Material: PP Plastic (Food-grade) Valve Core Material: Rubber; Built in 304 stainless steel spring; (Food-grade) Valve Core Retention Method: Spring Type Opening Pressure: ≥ 0.002Mpa Reverse Pressure: ≤ 0.7MPa Color: Translucent Connection Mode: Fast Connect Use temperature range: -50 ~ 140 degrees Celsius

Product Features: 1. Acid and alkali resistance, oil resistance, ozone resistance, acid and alkali resistance and other corrosive liquids or gases; 2. Good sealing, convenient installation, reliable connection, convenient use, economical and practical.

Note: This is Exquisite pressure type check valve, it needs to reach a certain pressure(0.002MPa) before the valve will open

Product details and features: All food grade material, environmental protection, non-toxic and non-toxic Acid and alkali resistant

Can be used in aquarium, food, medical treatment, irrigation, municipal water supply,oil gas / liquid transportation, etc

Note: Size is measured by hand, there may be some little error, please understand