6" X 14" FLOOR REGISTER WITH LOUVERED DESIGN - FIXED BLADES RETURN SUPPLY AIR GRILL - WITH DAMPER & LEVER - BLACK Return + Product Details Size – Ducting Components RG2016 FBA-HP Applications The C box

+ Product Details Size – 8" x 18" or 18" x 8" is the size for the duct opening measurement only

no sharp edges

ensuring compatibility with most thermostat models

actual front end outer dimensions are approximately 26 5/8" width X 34 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 10" OR 10" x 24" duct opening (measured at the opening)

6" X 14" FLOOR REGISTER WITH LOUVERED DESIGN FIXED BLADES RETURN SUPPLY AIR GRILL WITH DAMPER & LEVER BLACK Return + Product Details Size – Ducting Components RG2016 FBA HP Applications The C box + Product Details Size – 8" x 18" or 18" x 8" is the size for the duct opening measurement only no sharp edges