GL CloneLAB Dimensions: 21 x 41 x 311 The Grow Lab cloneLAB is the perfect setup for a cloning/propagation room. Ideal for holding four 10x20 Seedling Trays per level 2x levels total , this room works great with multiple 4 T5 fluorescent lighting system an 8 lamp fixture works best.Everest Garden Supply the company that introduced the first reflective tent to North America and HomeBox the company that invented the first portable grow room are proud to announce the next generation in portable grow rooms - The Grow Lab Portable Grow Room. Here are just some of the unique and exciting features you wont find elsewhere: Clear viewing windows - on all models except GL40, GL60, GL240 & GL290 Increased weight capacity - roof cross-members easily support 100 pounds Sturdy powder coated framework - helps protect against rust and gives a cleaner look; thicker than previous models Highly reflective interior - significant increase in reflectivity for improved lighting performance Thermally protected - tent material reflects 97% of all radiant heat for superior insulation Completely non-toxic - will not react under light and heat, and no off-gassing to harm plants Improved fabric & zippers - thicker fabric than previous models, with the best zippers on the market Moveable roof cross-members - easily adjust lighting and accessories; pieces snap into desired place for better functionality Multiple intake/exhaust ports - including two ports opposite each other at reflector level for air-cooling of lighting system on most models Adjustable fan and ducting attachments - no more clamps or reducers needed Waterproof floor - a second floor that is removable for easy cleaning between crops The GrowLab has all the features you could ask for - and more Outfit the GrowLab with the ventilation fan, lighting system and growing system of your choice and you will have the brightest