This Aquatica O-Ring Set contains the user replaceable o-rings for the Aquatica 90 and Sport II housings for the Nikon N90 film camera. The o-ring resembling a thick rubber band is designed to establish a watertight seal when going underwater.
Manufactured to precision tolerances required to hold a pressure seal on your housing and made of elastomeric material, it provides the means by which a watertight seal is formed.