Replacement gasket for 3 and 5 spout bottle fillers. This gasket attaches to the end of the bottle filler tube, with the wide, flat "brim" of the gasket pressed against the inside of the reservoir.
The gasket should be fitted onto the the filler tube until it stops, it should not be pushed on all the way. The stainless steel tube should not be protruding all the way through the gasket. For the best seal, the gasket should be positioned so that the flat "bottom" surface if the gasket is parallel to the flat side of the reservoir. The round ridge around the outside of the gasket should be depressed evenly when seated on the side wall.
The inside of the gasket measures .39", or about 3/8" diameter. The width of the body of the gasket is 0.7" (not including the flange)