To achieve solid air conditioner mounting, use silent block dampening with nuts and washers, also known as anti-vibration air conditioner silent block mounts. This accessory makes installation easier your air conditioner. These 4 silentblocs are used to install and fix the outdoor unit. They absorb vibrations, which reduces the noise of the outdoor unit. Our anti-vibration feet for outdoor air conditioners offer you various advantages. These are quick-to-deploy anti-vibration feet. A bracket for wall and floor mounting. A quality product, durable material. They are easy to handle made for indoor and outdoor use. Silencer block essential to dampen noise and vibration between supports and air conditioners. 4 shock absorbers, 8 nuts and 8 washers are included. 4 conical rubber silencers EPDM with good resistance to abrasion and wear and good characteristics such as electrical insulation, very good resistance to atmospheric agents, acids and alkalis and chemicals in general for air