Reflective: 96% highly reflective waterproof diamond mylar (enhance the reflective effect) Vents: Rectangle vents with mesh for better ventilation and multiple vents for fan and filter output Durable: Heavy duty 600D lightproof oxford cloth and diameter 16MM white paint coated metal rods and Large heavy duty Zippers Convenient: Quick tool-free installation Details: SOCKS: Extraction: diameter 9ԱPCS/Intraction: diameter 7Ԡ1PCS/diameter9ԱPCS/Cables: diameter 3ԱPCS/ Windows:16"(L) 8"(H) 3PCS