The Vibrant piston-style one-way check valve is a -8 AN unit constructed from 6061 aluminum and offered in anodized black. The product is described with piston-style internals, is available across AN sizes, and this listing identifies the -8 AN configuration with male flare fittings and the lightweight 6061 aluminum construction noted by Vibrant.
Vibrant One Way Check Valve w/-8AN Male Flare Fittings