Vibrant Yard Co. LLC Winterize RV, Motorhome, Boat, Camper, and Travel Trailer: Air Compressor Quick-Connect Plug to Male Garden Hose Faucet Blow Out Adapter with Valve (Lead-Free Brass), 17 Long

This is well made and makes winterizing my RV so easy

Used this hose to winterize our 2020 Scarab 255 open ID with twin Rotax 300 motors. Hooks up nicely and easy to pump air into the cooling system.

Perfect

I bought this to flush my garden hoses before storing them for the winter. Works exactly as expected. Seems to be solidly built and should last me many years. Very happy with this purchase.

I particularly like the in-line valve - it saves me from having to cycle the compressor on and off. Makes winterizing just that much easier.

As advertised

Easy to use and works as expected

I tried the Camco version with the little tire valve on the end, but this one REALLY gets the water out, because it can flow a much higher volume of air. Based on how my compressor kept up, Id estimate you can move ~10gpm through this fitting.