Agriculture, Horticulture, PRODUCT DESCRIPTION: ALUMINUM WALK-IN GREENHOUS1. High quality aluminium frame (thickness 1. 1-1. 2mm) for minimal maintenance. 2. 4MM Twin-wall Polycarbonate Sheet for covered material, has a good characteristic of preserving heat, impact resistance and flexural strength, which ensure durability for greenhouse. 3. Safe polycarbonate does not shatter and is advanced insulation. Easy to handle no sharp edges. Diffuses ...