I-577 ABS Plastic Water Plants Fish Explosion-Proof Check Valve CO2 Carbon Dioxide Control for Aquarium

Internal adopts stainless steel spring, good anti-reverse effect and better corrosion resistance. Low resistance design, suitable for motor and carbon dioxide control system. The appearance of the is beautiful, combined design, removable and washable. Condition: 100% Brand New Item Type: Check Valve Model: I-577 Material: ABS Plastic Color: As Pictures Shown Quantity: 1PCS Weight: Approx. 13g Size: Approx. 4.5x2cmCelsius1.8x0.8inch