Pneumatic Standard Hose Barb Coupler, Steel, Type DF, 1/4

Pneumatic Standard Hose Barb Coupler, Steel, Type DF, 1/4", 500 psi

Marsoni

M251S

$10.36

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

Pneumatic Standard Hose Barb Coupler, Steel, Type DF, 1/4", 500 psiMachined components are manufactured using solid bar stock Steel componentry is plated using ROHS Compliant Trivalent Chrome Specifications Material Steel Type Type DF Coupler Size 1 4" Thread None Maximum Operating Pressure 500 psi Maximum Burst Pressure Brass D Series Automatic Couplers (16000 PSI), Brass F Series Manual Couplers (11500 PSI), Steel F Series Manual Couplers (6500 PSI) Maximum Outer Diameter 0. 56" Temperature Range 40F to 250F ( 40C

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Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.

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Reviewed in the United States on April 2, 2026

Verified Purchase

James Jay

Houston, US

★★★★★ 5

It's a spark plug

What i needwd

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 27, 2026

Verified Purchase

Waukegan, US