LL Building S30 Seal-Tite Fan Shutter 30 White

Highlights:

• Replacements for whole house fans.
• 24 fits WHFS24M
• 30 fits WHFS30M & 30BWHFS
• 36 fits 36BWHFS & P36WHFS
• 35-3/4L x 33-1/4W OD
• 33-3/4L 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.

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