Nitrous Bottle Safety Disc - for 2nd and 3rd Generation Sniper, Hi-Flo™ And Super Hi-Flo™ Bottle Valves. Nitrous Bottle Safety Disc - for 2nd and 3rd Generation Sniper, Hi-Flo™ And Super Hi-Flo™ Bottle Valves. 16168NOS replaces part number 16165NOS. _x000D_ _x000D_ CAUTION: DO NOT TRY TO USE A 16165NOS 2nd GENERATION ONLY DISC IN A 3rd GENERATION VALVE AS IT WILL NOT SEAL PROPERLY AND WILL RESULT IN THE NITROUS GAS ESCAPING AND COULD CAUSE PERSONAL INJURY!.
