Aero Healthcare SF50A-SF SUREFILL™ 50 ANSI 2021 A First Aid Kit Refill - For all 50 Series Kits 2021

Aero Healthcare SF50A-SF SUREFILL™ 50 ANSI 2021 A First Aid Kit Refill - For all 50 Series Kits 2021

Marsoni

M251S

$53.09

Get it in 3 business days with 1 day shipping. Friday, May 29

Aero Healthcare SF50A-SF SUREFILL™ 50 ANSI 2021 A First Aid Kit Refill - For all 50 Series Kits 2021*Refill only. Fits all 50A Series Kits 2015. Case not included. See complete refill with case: AK50AW Weatherproof case >> AK50AT Metal case >> AK50ANR Red Translucent case >> Size: n a Items Per Kit: 233 Regulatory Compliance: Meets & Exceeds: ANSI Z308. 1 2015 OSHA 1910. 151(b). FDA Registered. Class: A Min Order Qty 1 Pricing Unit refill UPC Code 9341394029125

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We offer a 30-day return/exchange service after receiving.
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This is my first experience with K&N engine oil filters. I purchased one through AMZN and it was cheaper than expected. I may have purchased it on sale, because it was only $10. K&N is known to have great products, so I will update this review after I've used this filter for a while. So far, it seems to be working fine.

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Reviewed in the United States on June 25, 2024

Verified Purchase

Raptor

Cuba, US

★★★★★ 5

Near OEM quality at 1/4 cost

Near OEM performance at 25% of the cost! Bosch Quality replaced NGKs/Toyota OEMs. Great value and now the engine is running smoothly! I have seen a slight improvement in my mpg @1mpg overall in mixed driving conditions.

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Reviewed in the United States on April 22, 2026

Verified Purchase

Joe H.

West Palm Beach, US

★★★★★ 5

Very Expensive

Had one cylinder misfiring so replaced coil and spark plug. Runs fine now, but old plug looked shot after only 5 months so I think the coil was the problem. Really good plug so far but very expensive.

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Reviewed in the United States on February 12, 2026

Verified Purchase

rkab8745

Belleville, US

★★★★★ 5

A reliable set of spark plugs.

They’re made in Germany, what else can you say

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Reviewed in the United States on April 24, 2026