MADE IN THE USA. Material: 316l SST with electropolish finish, ra 32 or better, inside & outDimensions: harvest tube (3/8" od) - 1" above slug, 17" insertion lengthAddition tube (1/4"od) - 1" above slug, 2 21/64" belowVent tube (1/4" od) - 1" above slug, .975" belowSupply with 45mm PP blue open top screw cap & white silicone gasket