Pay in 4 interest-free payments of $42.51 Learn more
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
SD52 Series Performance Data
Designer Color or Plated Metal Finish available on this product
Lever Operated Opposed Blade Damper
Type 316 stainless steel
For damper free area chart B click here * 2665 - Round fire door for vertical mount only
4" 3 Hour Vertical Mount Fire Door 2661-36X30 Smoke-Fire Damper SD52 Series Performance Datah3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
US$ 29.49
US$ 23.95
US$ 29.00
US$ 45.00
US$ 20.00
US$ 21.95
US$ 119.95
US$ 120.00
US$ 18.00
US$ 137.50
US$ 14.00
