(B)Quick Snap Wall Sleeve Assembly(/B)(BR)(BR)(B)Easy and effortless snap together design(/B)(BR)(BR)(B)Made of heavy duty galvanized steel(/B)(BR)(BR)(B)Powder coated paint for superior adhesion & protection(/B)(BR)(BR)(B)Exterior weather barrier included for construction phase(/B)(BR)(BR)(B)Rear drainage hole on right or left side(/B)(BR)(BR)