This extension kit is designed to fit openings from 37 1/4" to 48 1/8". Extensions are made of reinforced steel. All extensions are protected with a non-toxic plastic coating.
Use one extension kit for openings from 37 1/4" to 42 3/4". Use two extensions for openings from 42 5/8" to 48 1/8".
The maximum opening is 48 1/8". Available in black, white and platinum.
