Check the listing for details. NITROGEN GAS REGULATOR - CONNECTORS & ADAPTERS - STEMS & NUT -6 DIFF PARTS AVAIL. Condition: New. Listed at 1.00 USD. All payments are now handled via PayPal invoice (ebay's old payment system). Upon completion of your purchase, w/in 24 hours we will email you a PayPal invoice for payment. You have the same buyer protections as before. CO2 & NITROGEN REGULATOR REPAIR GAUGES - HIGH PRESSURE Fitting Thread Directions: Low side / High side R ight hand thread / L eft hand thread TapRite: R/L Cornelius: R/L Economy/Chudnow: R/R Norgren: R/R CO2 = 2000psi N2 = 3000psi -------------CAT # DESCRIPTION 101 Adapter, Nitrogen Tank to CO2 Regulator 111 Adapter, Co2 Tank to Nitrogen Regulator 103 Nipple, Nitrogen, 3" long, Right Hand Thread 105 Nipple, Nitrogen, 3" long, Leftt Hand Thread 102 Nut, Nitrogen 295 O-Ring, Fits 103 & 105 We always refund back to actual shipping costs! You may also get more information at the place shown in the second picture.