Air Conditioner Support Bracket No Drill: Heavy Duty 350lbs, Adjustable Width 31.5"-41.7", Bubble Level for Single/Double Hung Windows, Fits 5000-24000 BTU AC Units

Heavy-Duty 350 lbs Capacity & Universal Fit: Supports up to 350 lbs for most window AC units (5,00024,000 BTU). Compatible with solid walls 4"15.2" thick (not for hollow walls). | Upgraded Anti-Slip & Rustproof Design: Non-slip rubber feet and silicone-lined nuts prevent slippage and protect coatings during installation. Galvanized hardware and epoxy-coated steel resist rust for long-term durability. | Tool-Free Adjustable Width (30.9"41.5"): Extendable arms fit single/double hung windows effortlessly. No drilling requiredsecure installation without damaging walls or sills. | Complete Installation Kit with Bubble Level: Includes magnetic bubble level, hex wrench, and all hardware for quick setup. Indoor installationadjusts slope for proper drainage (1/4" rear tilt recommended). | Enhanced Stability for Peace of Mind: Dual-arm design transfers weight from the window sill to the bracket. Anti-slip mats reduce vibration noise and improve safety