16" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5" Round Duct Pipe This access door comes with

This access door comes with two keys

with actual front end outer dimensions of 7"

10" Diameter Is The Size For The Duct Opening Measurement Only

Durable Material - High Quality Shatterproof Rustproof plastic material with the strongest magnets for easy and secure attachment to your floor register

16" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5" Round Duct Pipe This access door comes with+ Product Details Size 16"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 18. 5"w X 32. 5"h] Actual Filter Size 15 3 4"w x 29 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,