Palram Hybrid 6' x 4' Greenhouse - Gray Competitor Brand Names The Monticello 4-foot extension kit

The Monticello 4-foot extension kit is specifically designed for the Monticello line of greenhouses

which act as a double pain window and keep cool air inside during warm months while insulation keeps it close enough to freezing outside

3/4" Adapter

Panels zip together for total protection

Machine wash cold no chlorine bleach

Palram Hybrid 6' x 4' Greenhouse - Gray Competitor Brand Names The Monticello 4-foot extension kitThe Palram Canopia Nature Hybrid Series 6' x 4' Greenhouse is an ingenious balance of two advanced polycarbonate panels for the optimum environment. The crystal clear side panels offer over 90% transmission for growth, while the 4mm twin wall roof blocks up to 99. 9% of harmful UV rays to prevent plant burn. Add to that a ton of features, and the Nature Hybrid greenhouse is perfect for any growing enthusiast. The integrated rain gutters and down spout