Specification Sheet

44
OPTIONS/ACCESSORIES (cont.)
961L In-Line Adaptor Kit
• Galvanized steel
• Fits FF100 & FF150
• For 6” round duct intake
982L In-Line Adaptor Kit
• Galvanized steel
• Fits FF400, FF500 & FF700
• 4 1/2 x 18 1/2” duct intake
981L In-Line Adaptor Kit
• Galvanized steel
• Fits FF200, FF250 & FF300
• For 8” round duct intake
983 In-Line Adaptor Kit
• Galvanized steel
• Fits FF900 & FF1500
• 8” x 12” round duct intake
Model 441 Wall Cap
• Gravity dampers
• Collar with birdscreen for attaching 10”
round duct
• Steel construction with aluminum louvers
Model 613 Wall Cap
• High Capacity
• Built-in backdraft damper & birdscreen
• Aluminum natural nish
• For 12” round duct
Model 641 Wall Cap
• Aluminum natural nish
• Built-in backdraft damper & birdscreen
• For 6” round duct
Model 642 Wall Cap
• Aluminum natural nish
• Built-in backdraft damper & birdscreen
• For 3” or 4” round duct
(4” to 3” transition included)
Model 643 Wall Cap
• Aluminum natural nish
• Built-in backdraft damper
• For 8” round duct
Model 437 Roof Cap
• High capacity design - up to 1200 CFM
• Built-in birdscreen
• Steel, black electrically - bonded epoxy
nish
Model 636 Roof Cap
• Black electrically - bonded epoxy nish
• Built-in backdraft damper & birdscreen
• For 3” or 4” round duct
Model 636AL - Aluminum
Model 634 Roof Cap
• Black electrically - bonded epoxy nish
• Built-in backdraft damper & birdscreen
• For 3 1/4” x 10” or up to 8” round duct
Model 644 - Aluminum
MODELS FF & FFC
CEILING AND INLINE/CABINET VENTILATORS