✅ G-FORCE 18" ADD-ON CHASSIS and SCRUBSG FORCE is ANOTHER REACH iT INNOVATION (circa 2024) to revolutionize cleaning glass that is 'ground up'. The G FORCE 18" ADD ON is not a complete tool. This option is ideal if you own G FORCE 14". If you want 18" but know you will rarely use it, then you can buy the 18" CHASSIS and SCRUBS and simply slide the 14" chassis off the GYRO mount, and slide your 18" chassis on. They are very easily interchangeable. EFFICIENCY is a combination of increased