Converted a section of a camper in to a grow room for someone. 10L X7.5W X 6.2H ft. Walls, Ceilings and covered with Microbial Surface, Washable Material. (Immune to water) Sub floor covered with 1/4 inch Syenthetic Concrete Board Rubber Membrane covered floor with 5 inch overlap under wall material Vinyl Flooring for a wax free finish that also covers the lower wall by 5-6 inches Foam filled composite entry door, rubber seal Tyvek Wrapped and Silcone Sealed LED work light 100% Copper/Brass Plumbing Triple Filtered with easy, cost effective replacement filters Automatic Water Control keeps 15 gal of water stored at room temp Automatic drip irrigation, though they don't seem to be using it 2 X 30 AMP 240V Circuits 4 X 20 AMP 120V Circuits All Copper, no aluminum wire 220V Built in Automatic Timer Ceiling mounted outlets GFCI Protection 600 CFM Cap Discharge Direct Vent Motor/Fan Combo 8 Inch Carbon Scrubber with Prefilter Sealed room with Filtered Intake 8 Inch straight ducts, no flex hose of any kind. 4 X 600 Watt HPS Lighting High Reflective Covers Retractable Cord Mounting (Lift and Lowes each light like house blinds) Spare Ballast mounted and ready for use as a spare, wired in to be used as a 5th if needed Fire/Smoke/Alarm detection with automated alerts At their request, I am unable to disclose details or pictures of the outside. In fact, I took no build pictures at all. 0. Some people are really paranoid LOL Their temp stays between 65 - 85 Degrees Humidity 45-50%