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Description
Duct Seal - Gray 321-1Duct Seal 321 in an all purpose industrial grade duct sealant for all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts. It includes UV inhibitors for extended outdoor exposure and built in fiber reinforcement for added strength. This non toxic water based product is solvent free and is suitable for residential use. Duct Seal 321 is UL 181 B M Listed Passes ASTM D 2202, ASTM C 731. USDA, EPA
Duct-Seal 321 in an all purpose industrial grade duct sealant for all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts. It includes UV inhibitors for extended outdoor exposure and built-in fiber reinforcement for added strength. This non-toxic water based product is solvent free and is suitable for residential use. -Duct-Seal 321 is UL 181 B-M Listed -Passes ASTM D-2202, ASTM C-731. USDA, EPA and FDA Approved. LEED compliant SCAQMD Rule 1168. -City of Los Angeles Approval RR #8069, Gray Duct Seal - 1 GallonShipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.3 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 1
Oil soaked
Set name: Truffle-O-Soldier, 2 Ounce Pack of 8, Set name: Truffle-O-Soldier, 2 Ounce Pack of 8
I’ve ordered this multiple times, but this time the outer shell was fine, but the package itself was soaked with oil.
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Reviewed in the United States on March 2, 2026
★★★★★ 3
Just OK
Set name: 8-pack
Fresh quality ingredients but a bit bland for my taste and almost NO spice. Heard good reviews but guess I set my expectations too high. Would eat this happily if someone gifted it to me but wouldn't purchase again. Seems like a cool company.
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Reviewed in the United States on July 14, 2025
★★★★★ 5
Good jerky
Set name: Teriyaki Balboa, 2 Ounce Pack of 8
Good quality and tasty.
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Reviewed in the United States on June 19, 2025
★★★★★ 5
I stay on your foot they don’t slip in your shoe
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
This is the only socks I wear Under Armour because they stay in place I wear a size 8, but they’re more comfortable with a large instead of a medium, but I wear both because I have them already and you can pull them to stretch them out a little bit
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
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Reviewed in the United States on April 19, 2025