• 4" diameter aluminum vent hood, pipe and collar
• Hood has pre-punched mounting holes
• Positive action vent closure maximizes efficiency
• Safe all metal venting
• CLEANING:  Check guard periodically and remove lint or other debris if present.

NOTE: This item is considered to be an Over-sized and/or Non-Standard Package by UPS. The shipping fees are set by the package carriers, NOT by Hardware World.