20" x 20" Ductmate ULtimate Access Door with Insulation Kit - Black Iron

Insulation Kit not pictured. 

Sandwich Access Door for grease duct or high temperature applications.

• UL 1978 Listed
• Easy to install sandwich design with no special tools required
• Minimal penetration into the duct
• Dramatically reduces installation time
• No welding required
• Grease and air tight
• Meets NFPA 96 Standards
• Union made in the U.S.A.
• Door is completely removable for easy cleaning
• Opening size 20" x 20" - Door size 22" x 22"
  
• UL door with Insulation Kit and 26" x 26" outer plate