LL Building S30 Seal-Tite Fan Shutter 30″ White Clearance Manchester Great Sale

Highlights:

• Replacements for whole house fans.
• 24″ fits WHFS24M
• 30″ fits WHFS30M & 30BWHFS
• 36″ fits 36BWHFS & P36WHFS
• 35-3/4″L x 33-1/4″W OD
• 33-3/4″L x 28-1/4″ W opening 
• Automatic
• No-cut joist
• White Installs centered on joist with 18″ or 24″ centers with 2 cut openings
• Balanced shutters for complete automatic service-free operation.