Valterra A10-3050 RV 1/2" MPT Check Valve / Vacuum Breaker PVC Fittings Wheel Chock can also be

Wheel Chock can also be used as a tongue jack stand with a 400 lb

Below are the enhanced specifications provided:

the damper automatically opens when the range hood fan is activated to allow cooking odors and smoke to be exhausted Damper automatically closes to prohibit insects and dust from entering when the range hood is not in operation Manual release damper must be secured before traveling

Hose is coiled for storage in small areas

Threaded locking ring helps to create a weatherproof connection

Valterra A10-3050 RV 1/2" MPT Check Valve / Vacuum Breaker PVC Fittings Wheel Chock can also beReplacement for RV OEM tank flushing systems. Protects fresh water supply from contamination.