The Riga XL Greenhouse

The Riga Extra Large Greenhouses 16 mm polycarbonate - is the largest commercial quality hobby kit type, The Riga Extra Large Greenhouses come standard with Triple Wall Polycarbonate10 years – prorated after 5 years.16 mm UV coated TRIPLE-wall Glazing, 10 MM twin wall polycarbonate in front back walls for extra strength.