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WALL CAPS
Model 613 Wall Cap*
• For 12" round duct
• Built-in backdraft damper
and bird screen
• Aluminum natural finish
Model 639 Wall Cap*
• For 3
1
⁄4" x 10" duct
• Spring-loaded
backdraft damper
• Built-in bird screen
• Steel baked black enamel finish
Model 649 Wall Cap*
• Same as Model 639, except aluminum
natural finish
Model 641 Wall Cap*
• For 6" round duct
• Built-in backdraft damper
and bird screen
• Aluminum natural finish
• Model 647 for 7" Round duct
Model 647 Wall Cap*
• For 7" round duct
• Other features same
as Model 641
Model 649 Wall Cap*
• Same as Model 639,
except aluminum
natural finish
Model 843BL Wall Cap*
• For 6" round duct
• Built-in backdraft damper
and bird screen
• Black finish
WALL CAPS CONTINUED
Models 885AL and
885BL Wall Cap*
• For 3" or 4"
round duct
• 4" to 3"
transition included
• Aluminum natural finish
(885AL) and steel black
enamel finish (885BL)
• Standard package—6 to a carton
• Built-in bird screen and damper
Model 643 Wall Cap*
• For 8" round duct
• Aluminum natural finish
• Backdraft damper, no birdscreen
Model 646 Louvered Wall*
Cap for 6" Round Duct
• Single pack
• White polymeric
Model WC650 Wall Cap*
• For 4" round duct
• White polymeric
• 4 to a carton
ROOF CAPS CONTINUED
Model 634M Roof Cap*
• Same as Model 634 except
for 6" round duct
Model 636 Roof Cap*
• For 3" or 4" round duct
• Built-in backdraft
damper and bird screen
• Steel baked black enamel finish
Model 636AL Roof Cap*
• Same as Model 636,
except aluminum
natural finish
Model 644 Roof Cap*
• Same as Model 634,
except for
aluminum natural finish
SLEEVES
Model CVLD4
• 4" sleeve with damper
Model CVLD6
• 6" sleeve with damper
TRANSITIONS
Model 886 Transition
• Converts 7" round to
3
1
⁄4" x 10" duct
Model 475 Transition
• Converts 6" round duct
to 4" round duct reducer
• Available in 6 Pack (475B)
Model 413 Transition
• Converts 3
1
⁄4" x 10" duct
to 8" round duct
*Not for use with dryers.
Model 843 BL