Product Review

Instruction:
Necessary equipment for fish tank and aquarium to avoid retrograde water flow by difference of water pressure when electricity is cut off, lower the danger of tank damage when check valves are applied.

Applications:
Fit for fish tank and aquarium of 4 mm type connectors, also you can find other usages of it.

Specifications:
Quantity: 15 pieces
Material: plastic
Total length: 53 mm
Length of connector part: 13.5 mm

Package includes:
15 x Air pump check valves

Warning: small parts, choking hazard, keep them away from your kids and pets please.