Description Specifications Literature Description The Ashcroft® Type 1279 Duragauge® pressure gauge is offered in 4.5" phenolic case for superior chemical and heat resistance. Dry, liquid-filled, hermetically sealed weatherproof or PLUS!™ options available. All case styles provide full temperature compensation.Other Features: 4.5" full-size Bourdon tube Patented Duratube™ with as-welded-tube construction controls stress for longer life "Round Cap Tip" construction lowers stresses for longer life Easily adjustable, self-locking micrometer pointer Burn-resistant phenol turret case Exclusive Teflon coated 400 series Stainless Steel rotary movement for longer life Epoxy-coated system for superior corrosion resistance PLUS!™ Performance Option: Liquid-filled performance in a dry gauge Fights vibration and pulsations without liquid-filled headaches Order as option XXL State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Dial Size:4.5"Type:1279Tube & Socket:316L stainless steelCase Design:Dry (IP54)Process Connection Size:1/2 NPT maleConnection Location:LowerRange:0-600 PSI Literature & Docs Accessories