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Duct Knife
Duct Knife
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Duct Knife

Marsoni M251S
Sale price$48.75
Pay 4 payments of $12.19 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Duct KnifeDesigned for optimal edge retention and durability The stainless steel blade is engineered to stay sharper up to 5X longer when cutting flexible ducts and insulation The double edge blade allows for a wide range of applications A full metal tang provides durability for tough cuts Includes a durable sheath with a belt clip for easy carry and storage Specifications Overall Length 10 3 4" Handle Type Plastic Country Of Origin China
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Your Duct Knife orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 634 reviews
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Product Reviews
D
Verified Purchase
David J. Collins
Natrona Heights, US
★★★★★ 4
Did not fit right out of box. Had to trim with scissors.
Size: 1 Count (Pack of 1)
Good value. A little flimsy but pretty much what I expected. My only real complaint is that out of the box it did not drop right in to my Honda Odyssey. I had to trim the tabs on one end with scissors for it to fit in to the filter housing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2024
B
Verified Purchase
B. Renken
Houston, US
★★★★★ 5
2016 Honda Accord fits perfect!
Size: 1 Count (Pack of 1)
Works great and fits perfect for my 2016 Honda Accord 2.4L
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
S
Verified Purchase
San Diego Jack
Port Orchard, US
★★★★★ 5
Good Quality, Easy to Install
Size: 1 Count (Pack of 1)
Good product, easy to install, but make sure to locate the direction arrow for proper installation. This one didn't have a very clear arrow but figured it out quickly and the install was done in seconds. I recommend this product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
P
Verified Purchase
Paul
West Palm Beach, US
★★★★★ 5
DIY - Save $$
Size: 1 Count (Pack of 1)
Comparable item dealers provide, but if you can DIY, you’ll save $40-50 bucks installation. Helpful hint, before installing, take a market and put the date and mileage of the end of the filter. Unless you drive a lot, the filters generally last a year.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 23, 2025
F
Verified Purchase
Frank Dayton
Alexandria, US
★★★★★ 5
It fits.
Size: 1 Count (Pack of 1)
It fits our 2016 Honda CRV.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026

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