8" x 4" ROUND ACCESS DOOR - FITS 7" - 9"

Designed for high pressure application
Virtually no protrusion in the air stream
No frame required
Advanced pressure vessel design
Virtually leak free
Tested up to 20" positive pressure and 10" negative pressure
Edge pro edge guards are available upon request
Self adhesive template is provided eliminating the need to measure
No tools are required to open or close