Manufactured by Harvest Right patio furniture. Greenhouse for the hobbyist and professional gardener. sq. of true growing space and with headroom of. your plants will flourish. Because the greenhouse is not rectangular and has no unusable cold corners, you can use of space for growing. to assemble with people or people about hours to hours. Strong aircraft aluminum structure with hubs for the struts tosnap into. Covering is woven polycarbonate and is very, year fabric warranty that is hail, wind and tear resistant and treated to block out of harmful rays, which protects humans and plants. cover material contains additives for an insulation value to help keep the interior warmer in cold weather and at night. allows for bestgrowing conditions which makes it for the producer to extend the season, increase yields and maximize profit. Covering contains anti drip to help prevent droplets of moisture from gathering on the inside of the cover and subsequently dripping onto plants. Wide, access door can be kept open or securely.