Composi-Tight 3D Fusion SHORT RING, 2/Pk. Ultra-Grip retention extensions

Composi-Tight 3D Fusion SHORT RING, 2/Pk. Ultra-Grip retention extensions to prevent 'spring off', Improved stacking for MODs, 20%+ improved separating force, Enhanced marginal ridege built into Soft-Face silicone tips for better adaptation. Pack of 2