Description
One way professional check valve (New Design).
Small and compact, about 4cm long.
More effective in stopping backward flow.
Fits standard aquarium air pipe ~4mm internal diameter.
Stainless Steel Check Valve Co2 Aquascape_ISTA
Rp25,000
ISTA One Way Stainless Steel Check Valve I962 For Aquarium Co2 System / Air Pump
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