Does your regulator second-stage feel uncomfortable in your mouth when diving? Does it feel like it is trying to pull out of your mouth when you turn your head? If these are problems, you have experienced when diving than you may need a swivel adapter that can eliminate this problem. The XS Scuba 90 Degree Right Angle adapter is a combination of the SKU: XSSRAA and the SKU: XSSSWA. The rotating swivel action at the end of a 90 Degree adapter is installed between your second stage and the regulators low pressure hose. This adapter makes a more comfortable feeling and can eliminate the pulling" effect of the regulator found with hoses without a swivel adapter. Adapter is made from corrosion resistant chrome plated brass for long life and low maintenance. Designed for low pressure hoses using 200 psi (13.8 bars) or less, equipped with Viton O-rings and factory cleaned, so it's safe for use with enriched air nitrox. Improve your comfort while diving with XS Scuba's LP Hose 90 Degree swivel Adapter.