【Clear Real-Time Pressure Gauge:】 Monitor internal pressure instantly for precise, safe operation. Avoid over-pressurization risks with visible metrics.for R134A R12 R22 R404 R410A System 【Upgraded Thickened Stainless Steel Bottle:】 Heavy-duty 1L canister resists dents, leaks, and corrosion. Far outperforms flimsy aluminum competitors. 【Pure Aluminum Catheter:】 Lightweight yet ultra-durable, rust-proof tubing replaces brittle rubber hoses. Built for long-term use in harsh HVAC environments. 【3.51ft Heavy-Duty Hose (600PSI Rated): 】High-flex rubber-nylon hybrid hose bends easily around tight spaces. Brass fittings ensure leak-free connections. 【Quick-Fix Flushing Gun: 】Lubricant-friendly design – simply add oil if the valve sticks (spare O-rings/gaskets included for DIY repairs). 【Multi-Adapter Kit: 】Works seamlessly with SAE, NPT (US), and European air compressors. Includes 1/4” plugs, hose adapters, and tape for instant setup. 【No Leaks, No Downtime: 】Stainless steel + aluminum construction ensures reliability for repeated use 【Safety First: 】Pressure gauge + relief valve protect users and equipment from costly accidents..Perfect for HVAC technicians, auto repair shops, and DIY enthusiasts needing a reliable, long-lasting solution for AC line cleaning, refrigerant flushing, and system maintenance. 【All-Inclusive Package:】 From spare parts to detailed guides, everything’s included for hassle-free maintenance.1x 1L Stainless Steel Canister，1x Flushing Gun with Rubber Tip，1x 3.51ft Hose (1/4” SAE/NPT Fittings)，1x Pressure Gauge + Safety Relief Valve，2x Spare O-rings, 2x Plastic Gaskets，Adapters (SAE, NPT, European), Adhesive Tape 【Usage Tips】Always Use Under 150PSI – Pair with a regulated air compressor (not included).Regular Maintenance – Apply lubricant to the flushing gun valve if movement slows. Product Description: The AC Flush Kit is a high quality and advanced air conditioning system flushing tool designed to thoroughly clean and maintain your auto air conditioner or home air conditioning system. Made of sturdy stainless steel, the 1-liter flush tank is corrosion resistant and built to last. The 3.5ft hose connector is made of rubberized nylon resin material, with low fluid resistance and high pressure carrying capacity. This versatile flush kit can be used not only for cleaning and maintenance of automotive equipment such as evaporators, fuel lines, air conditioning tubes, and condensers, but also for household refrigerators and air conditioners. The kit is easy to use - simply fill the bottle with flushing solvent, connect it to an air compressor, and pressurize to flush out old oil, refrigerant residue, and dirt. The readable pressure gauge and safety relief valve ensure convenience, safety, and reliability during operation. With its efficient flushing capabilities and durable materials, the AC Flush Kit is a must-have tool for anyone looking to maintain and optimize their air conditioning system. Packing List: 1 x empty tank 1 x pressure gauge 1 Flush Head with Rubber Tapered Tip 1 35.4" hose 2 spare adapters (1 1/4" SAE brass hose adapter and 1 1/4" NPT air plug) 2 spare rubber o-rings 2 spare plastic washers 1 plastic storage case