{"product_id":"b084gzmzx6","title":"Mastercool 53376 R134a Visual Inspection Sight Glass with Quick Couplers","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e✔️ SAVE TIME — SEE YOUR R134a REFRIGERANT CONDITION BEFORE YOU FLUSH — Extracts a small refrigerant sample for direct visual inspection through the transparent sight glass. Identify excess dye, oil contamination, or debris before committing to a costly system flush. Know exactly what your system needs.\u003c\/li\u003e\n\u003cli\u003e✔️ INCLUDES 10-CONDITION REFRIGERANT CONTAMINATION CHART — Compare your sample against 10 documented conditions — excess UV dye, leak tracing dye, moisture, carbonized oil, metal chips, compressor overheating, bad leak stop agents, aged seals, flushing residue, and oil imbalance — for an accurate diagnosis before any repair.\u003c\/li\u003e\n\u003cli\u003e✔️ WORKS WITH VACUUM PUMP OR R\/R\/R MACHINE — 3-MINUTE PREP — Compatible with any standard vacuum pump or the vacuum function on a Recovery\/Recycle\/Recharge machine. Blue hose and coupler include auto-shutoffs to hold vacuum after disconnection. Clear step-by-step instructions included for both methods.\u003c\/li\u003e\n\u003cli\u003e✔️ BALL VALVE CONTROLLED — EXTRACT AND FULLY REDEPOSIT WITH ZERO WASTE — Precision ball valves on both sides provide leak-free control of the refrigerant sample. After inspection, the extracted refrigerant is safely returned to the A\/C system — no refrigerant loss, no mess.\u003c\/li\u003e\n\u003cli\u003e✔️ 60\" R134a QUICK COUPLERS — FAST CONNECTIONS, MORE REACH — High Side (66234) and Low Side (66334) quick couplers snap directly onto service ports. Two 60-inch color-coded nylon barrier hoses give you 24 more inches of reach than competing 36-inch kits — no repositioning equipment mid-job.\u003c\/li\u003e\n\u003cli\u003e✔️ COMPLETE KIT IN A PROTECTIVE BLOW MOLDED CASE — Includes sight glass (53375), R134a retrofit adapter (82274), 60\" blue hose (53376-601), 60\" red hose (53376-603), High Side coupler (66234), Low Side coupler (66334), and contamination chart — custom-fit and ready to use out of the box.\u003c\/li\u003e\n\u003cli\u003e✔️ MASTERCOOL QUALITY — U.S. DESIGNED, 40+ YEARS, 76+ COUNTRIES — Mastercool has been a trusted name in professional automotive A\/C and HVAC service tools for over four decades. U.S. designed with U.S.-based customer and technical support available when you need it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":49763475980359,"sku":"SPH-B084GZMZX6","price":234.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7817\/8375\/files\/51slOfw2tdL._AC_SL1500.jpg?v=1791886170","url":"https:\/\/drive-hubs.com\/products\/b084gzmzx6","provider":"DriveHub","version":"1.0","type":"link"}