All-Flexible Compact Convex Mounting Ring 1-1/8" Opening, 3-3/4" x 3-1/8", Green Neoprene Rubber

Marlen Manufacturing All-flexible Compact Convex Mounting Ring 1-1/8" Opening, 3-3/4" x 3-1/8", Green Neoprene Rubber Accommodates stoma opening of 1/2" to 5/8" in 1/6 increments. Compounded of green neoprene or...