Description Accessories Description Freudenberg Sealing Technologies (formerly Tobul) gas cock extension with a 3000 PSI maximum pressure. 0.305-32 schrader-type stem. Smaller diameter accumulators may require the use of a gas cock extension (P/N 2522-EXT) in order to allow the gauge assembly to mate to the accumulator gas valve. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories Freudenberg NOK Sealing Technologies GG2527F-C Hose & Gauge Assembly Including Case, 3000 PSI Was: Now: $714.37 Add To Cart View More Freudenberg NOK Sealing Technologies GG2527F Hose & Gauge Assembly, 3000 PSI Was: Now: $556.50 Add To Cart View More