10" Round Ceiling Diffuser White Powder Coated Fitting in 10" Duct Opening If the hole is 20"

If the hole is 20" wide by 14" tall

The listed size 14" x 6" is for the inside duct opening measurement

This product has listed size 10“w X 6”h is for duct opening measurement only

Duct opening – a hole that holds the duct neck to allow air to come out from HVAC system

The Listed size 24"x10" is for inside duct opening measurement

10" Round Ceiling Diffuser White Powder Coated Fitting in 10" Duct Opening If the hole is 20"First thing to know about size selection: take the vent cover off the wall or ceiling. Measure the duct opening where the vent can fit in. Use the measurement to determine right size to buy. This product has listed size 10''X 10'' is for duct opening measurement only, actual outsize overall dimensions is 14'' X 14''. If your duct opening size is 10'' X 10'', this is the right size and will fit in well. If you measure outside or surface size, you will