Hart & Cooley F216 14x25 (51331) R6.0 Metalized Jacket Insulated Flexible Air Duct with 2-Ply Black Polyester Core - 14" x 25'

SKU: 713211
Brand: Hart & Cooley Model: F216 14x25 (51331) Condition: New

Hart & Cooley F216 14x25 (51331) Flexible Duct

Regular Price: $87.99
+ FREE Freight Shipping!
(Orders over $799.00)
Use Coupon Code: 5OFF to get 5% Off this Item!

Click to view freight pricing

Add 34 more to get 5% off! ($57.12 each)

Ask a Question
About this Product

Earn 4 Westside Dollars for every 1 piece purchased.

View All Hart & Cooley Duct Work


Hart and Cooley Series F216 Flexible 25 foot, 14-inch diameter Air Duct can be used in both Residential and Light Commercial cooling and heating system applications; it is used in either supply or return sections. H&C uses Formaldehyde-Free insulation for improved indoor air quality. The Hart & Cooley model 51331 flexible air duct product is designed to remain mold and mildew-free throughout its lifetime, and is completely free of upcharges with no need to pay for coatings. The metalized jacket provides strength and protection with a two-ply polyester core that encapsulates a high carbon steel wire helix, and its vapor barrier is reinforced with fiberglass scrim to ensure high durability and tear resistance. Fiberglass insulation furnishes an outstanding thermal protection with an R-value of R6.0.It's rigorously tested with a UL181 listing and GreenGuard certification, this is the most highly certified flexible duct in the industry and is highly resistant to microbes. Backed by a 10 year warranty through the manufacturer, the Hart & Cooley flexible air duct will provide the solution to your air-handling needs.Additional Information:Manufacturer Drawing (PDF)Manufacturer Installation Sheet (PDF)Manufacturer Air Friction Chart (PDF)


  • Class 1 Air Duct
  • Boxed
  • 25 foot length
  • Metalized polyester jacket reinforced with fiberglass scrim
  • Two-ply black polyester core with encapsulated wire helix
  • Formaldehyde-Free insulation is substantially less irritating than traditional insulation
  • Greenguard for Children and Schools Certified
  • Greenguard Highly Microbial Resistant rated (Level 4)
  • R6.0
  • UL Listed


  • Model Number: F216 14x25
  • Part Number: 51331
  • Package: Boxed
  • Jacket: Metalized Polyester Jacket
  • Core: Double-Ply Black Polyester Core
  • Insulation: R6.0
  • Duct Diameter: 14 Inch
  • Length: 25 Feet
  • UL listedPERFORMANCE DATA:Black Polyester Core
  • Rated Pressure per UL 181: 10" W.C. Positive, 1/2" W.C. Negative
  • Recommended Maximum Operating Pressure: 4" W.C. Positive (For 14" Diameter and Over)
  • Rated Maximum Air Velocity: 6000 FPMInsulation R-Values
  • Certified by Underwriters Laboratories Inc. and the Air Diffusion council in accordance with ADC Flexible Duct Performance and Insulation Standards using ASTM C-518 at installed wall thickness on flat insulation onlyMetalized jackets
  • A metalized polyester vapor barrier is constructed by sandwiching fiberglass scrim between layers of polyester to provide an outstanding combination of strength and tear resistance
  • Perm Rating of 0.04 (ASTM E96 Method A)Surface Burning Characteristics (Class 1 Air Ducts)
  • Maximum Flame Spread: 25
  • Maximum Smoke Developed: 50Operating Temperature Range
  • -20%F to 140%F continuous at max. Pos. pressure
  • -20%F to 180%F intermittent at 2" W.C. Pos. pressure
  • -20%F to 250%F intermittent at 0.5" W.C. Pos. pressureApprovals
  • UL 181
  • NFPA 90A and 90B
  • HUD
  • HUD
  • City of Los Angeles
  • California Bureau of Home Furnishings
  • Most Federal, State and Local codes and standards

Customer Reviews

There are no reviews for this product yet. Be the first to review the product!

Write Your Own Review:

 1 star2 stars3 stars4 stars5 stars

Submit Review

Questions & Answers

Please login or register before adding a question.

If you are a new customer, please register first: