★★★★★ 5
Hose
Great custom fit
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Reviewed in the United States on November 17, 2020
Superior AK4B 50-Piece Collar-Only Outside Air Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Superior AK4B 50-Piece Collar-Only Outside Air KitThe Superior 50 Piece Collar Only Outside Air Kit provides a premium accessory for use with your gas fireplace. This outside air kit offers an optional venting solution to help you get the best performance out of your fireplace unit. This 50 piece collar kit offers a bulk purchase option for contractors. NOTE: See fireplace owner's manual for compatibility information and installation instructions.
Quick Dispatch:
Your Superior AK4B 50-Piece Collar-Only Outside Air Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Superior AK4B 50-Piece Collar-Only Outside Air Kit ships.
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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
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4.9 ★★★★★
Based on 1617 reviews
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Product Reviews
★★★★★ 3
Didn’t fit but I made it fit.
The part appears decently made in China. The end that terminates below the oil filter would not mount (too tight). I gently sanded the o-ring groove, lubricated and I put the part in freezer. After two hours of sanding the groove I got the part seated. Good thing I was patient today. Pain in the butt.
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Reviewed in the United States on December 12, 2020
★★★★★ 5
Highly recommend
Perfect fit for my Mercedes C300 V6
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Reviewed in the United States on March 1, 2026
★★★★★ 5
good quality
easy to install, works great , good value
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Great price Great product
Great price Great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
