Description Literature Accessories Description The Meriam Z1089-1 3-Valve Manifold is a 3-valve manifold, installed 316 SS, 316 SS tubing, and with 1/4" FNPT connections. SWP: 500 PSIG. The manifold is an accessory for the Meriam M200 Smart Manometer, Meriam M200-LS Smart Manometer, Meriam M201 Enhanced Rotary Gas Meter Tester, and the Meriam M202 Absolute Manometer. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories Meriam Precision Absolute Manometer M202 In Stock View More Meriam Smart Manometer M200 In Stock View More Meriam Enhanced Rotary Gas Meter Tester M201 In Stock View More Meriam Lab Standard Smart Manometer M200-LS In Stock View More