The Quick Feed Hopper Extender QFHE can be used on the Standard QFS, and the Double QFD feeders.
The QFHE will double the hopper capacity.
Simply remove your existing lid, place the QFHE over the existing Quick Feed, it will snap-lock into position, secure the QFHE to the wall using four screws. Use your existing lid on top of the Hopper Extender.
Dimensions: 22" x 16" x 9" - 4 lbs.