Designed for large, custom applications, the WRT4500 fireplaces feature a 30" tall opening and full brick-to-face design with no visible interior sheet metal. All models come fully insulated and clean-faced only. Standard models include your choice of Warm Red or White traditional stacked or Herringbone textured brick panels with a convenient hidden ash dump. 12" venting required. Features Available in 36”, 42” and 50” models Massive smoke dome for reliable operation Fully insulated firebox for increased performance in colder climates Refractory panels in a variety of colors and patterns with integrated ash lip Heavy duty cast iron log grate with rugged forged andirons Hidden ash dump with pull ring Easy access damper control Includes mesh fire screens Dual (left hand/right hand) outside air kits available for maximum performance Durable textured powder coat finish Uses IHP 12 DM (1700) double wall air cooled wood burning chimney Uses IHP 12 HT (2100) heavy gauge double wall air cooled wood burning chimney, recommended for cold climates (required for Canada) 20 year limited warranty Model 36" Framing Width 45-1/4" Framing Height 67-1/8" Framing Depth 28-1/4" Model 42" Framing Width 51-1/4" Framing Height 67-1/8" Framing Depth 30-1/8" Model 50" Framing Width 59" Framing Height 67-1/8" Framing Depth 30-1/8"