Greenhouse SIMPLE, FRAME ONLY, 3x4 m (9.8x13.1 ft)Size: 3x4 m (9. 84x13. 12 ft) Height: 2 m (6. 56 ft) Floor area: 12 m2 (129. 17 ft2) Carcass: galvanized steel 20x20 mm & 20x20 mm Distance between arcs: 1 m (3. 28 ft) Snow load: 100 kg m2 Protection against rust Greenhouse SIMPLE 3x4 m (9. 84x13. 12 ft) set includes the frame with two doors and vents. For the SIMPLE model, special arcs are manufactured from a wide steel pipe 20x20 mm. You can assemble the greenhouse SIMPLE yourself without any