No-Drill Window Air Conditioner AC Support Bracket, AC Unit Outside Holder Stand Brace Mount, Soporte Base para Aire Acondicionado Ventana, Hold Up to 300LBS, Fit Single & Double Hung Window

[Check Fit] Expandable to fit window width from 17" to 41" wide; works with wall thickness from 3" to 10"; fits 5K24K BTU ac units always measure your window before ordering. (Note: Works with single or double hung windows , and vertical slider windows. Does not work with horizontal sliding, crank-out, or casement windows.) | [No Drill, No Mark] - Our window ac bracket mounts on window frame or ledge with zero drilling, zero holes; Swivel Anti-Slip Rubber Pads grip tight without scratching your outer wall; Installs in seconds for summer, stows just as fast for winter or moving. | [Seals Tight, Saves Energy] - No-Glue Foam Seal blocks hot air, cold leaks, noise, and bugs, features flame-retardant and weather-resistant; Anti-Vibration Rubber Pads absorb shake and rattle; your AC runs less and cools faster. | [Built to Resist Rust, Rain, and Heat] Strong iron with epoxy coating stands up to harsh weather; Stainless Steel Hardware resists rust and stripping; Ocyfym no-drilling window air conditioner support bracket holds up to 300 LBS without sagging. | [Easy Adjust, Locks Solid] - Dual-Lock System lets you press pin to adjust for fit, then lock with screws for rock-solid security; Old versions use only tension pins that may slip, or only screw-locks that need endless adjustments, we give you both! | [Effortless Installation] - Magnetic bubble level, hex key, wrench and paper instructions included; About 15 minutes from box to done, no engineering degree required for the window ac brace mount.