LEVOLOR 36 in x 72 in Sand Blackout Cordless Cellular Shade Item #23842 Model #29.312 They work great for shelves They work great for shelves or any other craft project you may have around the house 4 High Pressure Switch Yes Ignition Type Direct Spark Low Pressure Switch No Metering Device Orifice Gas Type Natural Gas Net Cooling Capacity 22800 Refrigerant R 410A Tonnage 2 Blower Motor Type ECM Blower Speeds 5 BTU Output 37000 Compressor Type Scroll Condensate Connection Size 3 4" NPT Condenser Motor Type PSC Cooling Stages 1 Gas Connection Size 1 2" NPT Safety Standards California Prop 65 Yes Hazardous Material No Weights and Dimensions Operating Weight (lbs) 328 Exterior Dimensions (D) (inches) 32 Backed by a century of quality LEVOLOR blinds and shades are trusted to work beautifully day after day