{"id":9680785735831,"title":"Mark II 25 Liquid Filled Manometer, 3\" wc, 3% Accuracy for Pressure Testing | Ideal for furnace, duct, filter and gas pressure checks. Compatible with Dwyer","handle":"mark-ii-25-liquid-filled-manometer-3-wc-3-accuracy-for-pressure-testing-ideal-for-furnace-duct-filter-and-gas-pressure-checks-compatible-with-dwyer","description":"\u003ch3\u003eMark II 25 Liquid Filled Manometer, 3\" wc, 3% Accuracy for Pressure Testing | Ideal for furnace, duct, filter and gas pressure checks. Compatible with Dwyer\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eHigh Precision Manometer Inspired by Dwyer: Mark II 25 with inclined\/vertical tubes, wide range, 3% plus or minus accuracy. Fits air velocity, filter checks, pressure taskstrusted for HVAC, like Dwyer's\u003c\/li\u003e\n \u003cli\u003eDurable and Leak Resistant Design in Dwyer Style: Meeting Dwyer's standards, it has leakproof O ring seals and overflow tank to reduce fluid leakage. Easily mounted vertically; built in spirit level simplifies leveling for long lasting, reliable operation, matching Dwyer's durability\u003c\/li\u003e\n \u003cli\u003ePerfect for Cold Environments with Dwyer Compatible Features: Red anti freezing fluid (low evaporation) suits cold conditions, similar to Dwyer. Enlarged scale enhances readability for clear, accurate readings on par with Dwyer's high-performance models in challenging environments\u003c\/li\u003e\n \u003cli\u003eComplete Package Contents as Good as Dwyer's: Includes Mark II 25 manometer, 2 tubing connectors (one eighth inch pipe\/ducts), 2 screws, one ounce indicating fluid, pointer flags, eight feet flexible tubing, and instructions. It has everything for smooth setup, just as expected from Dwyer\u003c\/li\u003e\n \u003cli\u003eReliable Manometer to Meet Your Requirements Comparable to Dwyer's: This well designed tool, comparable to Dwyer's, measures positive\/negative\/differential pressure. Ideal for HVAC pros or general projects, upholding Dwyer's high standards\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-30T19:41:26+10:00","created_at":"2026-07-26T19:09:03+10:00","vendor":"FUHUOLU","type":"Manometers","tags":["home_improvement_Aug2026"],"price":20200,"price_min":20200,"price_max":20200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48067977052311,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0F83C7F6J","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Mark II 25 Liquid Filled Manometer, 3\" wc, 3% Accuracy for Pressure Testing | Ideal for furnace, duct, filter and gas pressure checks. Compatible with Dwyer","public_title":null,"options":["Default Title"],"price":20200,"weight":458,"compare_at_price":null,"inventory_management":"shopify","barcode":"601236839985","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0F83C7F6J.jpg?v=1785056945","\/\/newnestshop.com\/cdn\/shop\/files\/71iSL3wLMBL.jpg?v=1785056945","\/\/newnestshop.com\/cdn\/shop\/files\/71U8S0DUHuL.jpg?v=1785056945","\/\/newnestshop.com\/cdn\/shop\/files\/71wBTLf68-L.jpg?v=1785056945","\/\/newnestshop.com\/cdn\/shop\/files\/71jAMHJAA-L.jpg?v=1785056945","\/\/newnestshop.com\/cdn\/shop\/files\/71SMwUNYcLL.jpg?v=1785056945","\/\/newnestshop.com\/cdn\/shop\/files\/71ej2JQAnML.jpg?v=1785056945","\/\/newnestshop.com\/cdn\/shop\/files\/61pK904TGTL.jpg?v=1785056945"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0F83C7F6J.jpg?v=1785056945","options":["Title"],"media":[{"alt":null,"id":42455449174167,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0F83C7F6J.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0F83C7F6J.jpg?v=1785056945","width":1850},{"alt":null,"id":42455449206935,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71iSL3wLMBL.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71iSL3wLMBL.jpg?v=1785056945","width":1850},{"alt":null,"id":42455449239703,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71U8S0DUHuL.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71U8S0DUHuL.jpg?v=1785056945","width":1850},{"alt":null,"id":42455449272471,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71wBTLf68-L.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71wBTLf68-L.jpg?v=1785056945","width":1850},{"alt":null,"id":42455449305239,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71jAMHJAA-L.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71jAMHJAA-L.jpg?v=1785056945","width":1850},{"alt":null,"id":42455449338007,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71SMwUNYcLL.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71SMwUNYcLL.jpg?v=1785056945","width":1850},{"alt":null,"id":42455449370775,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71ej2JQAnML.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71ej2JQAnML.jpg?v=1785056945","width":1850},{"alt":null,"id":42455449403543,"position":8,"preview_image":{"aspect_ratio":1.0,"height":1850,"width":1850,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/61pK904TGTL.jpg?v=1785056945"},"aspect_ratio":1.0,"height":1850,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/61pK904TGTL.jpg?v=1785056945","width":1850}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eMark II 25 Liquid Filled Manometer, 3\" wc, 3% Accuracy for Pressure Testing | Ideal for furnace, duct, filter and gas pressure checks. Compatible with Dwyer\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eHigh Precision Manometer Inspired by Dwyer: Mark II 25 with inclined\/vertical tubes, wide range, 3% plus or minus accuracy. Fits air velocity, filter checks, pressure taskstrusted for HVAC, like Dwyer's\u003c\/li\u003e\n \u003cli\u003eDurable and Leak Resistant Design in Dwyer Style: Meeting Dwyer's standards, it has leakproof O ring seals and overflow tank to reduce fluid leakage. Easily mounted vertically; built in spirit level simplifies leveling for long lasting, reliable operation, matching Dwyer's durability\u003c\/li\u003e\n \u003cli\u003ePerfect for Cold Environments with Dwyer Compatible Features: Red anti freezing fluid (low evaporation) suits cold conditions, similar to Dwyer. Enlarged scale enhances readability for clear, accurate readings on par with Dwyer's high-performance models in challenging environments\u003c\/li\u003e\n \u003cli\u003eComplete Package Contents as Good as Dwyer's: Includes Mark II 25 manometer, 2 tubing connectors (one eighth inch pipe\/ducts), 2 screws, one ounce indicating fluid, pointer flags, eight feet flexible tubing, and instructions. It has everything for smooth setup, just as expected from Dwyer\u003c\/li\u003e\n \u003cli\u003eReliable Manometer to Meet Your Requirements Comparable to Dwyer's: This well designed tool, comparable to Dwyer's, measures positive\/negative\/differential pressure. Ideal for HVAC pros or general projects, upholding Dwyer's high standards\u003c\/li\u003e\n \u003c\/ul\u003e"}