SKU: 43488845144

Milton Industries S-211 5pc 1/4" NPT M-STYLE® Coupler and Plug Kit

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Description

Milton Industries S-211 5pc 1/4" NPT M-STYLE® Coupler and Plug KitThis five piece M style coupler kit includes various couplers and plugs with a 1 4" basic flow size. Milton's M style Kwik Change couplers are made of brass, while the M style Kwik Change couplers are made of case hardened steel and are plated to resist rust. This collection of couplers, plugs will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL C 4109. M style couplers and plugs offer up

This five piece M style coupler kit includes various couplers and plugs with a 1/4" basic flow size. Milton's M style Kwik Change couplers are made of brass, while the M style Kwik Change couplers are made of case-hardened steel and are plated to resist rust. This collection of couplers, plugs will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL-C-4109. M style couplers and plugs offer up to 300 PSI and has an air flow of 40 SCFM. KIT INCLUDES: - one 1/4" FNPT coupler - three 1/4" MNPT plugs - one 1/4" FNPT plug.

Features

  • BASIC FLOW SIZE: All 1/4" body size air fittings. 1/4" NPT. Buna-N seals. Couplers for air shop use.

  • KWIK-CHANGE: Interchangeable/compatible with most manufacturers.

  • MAXIMUM: 40 SCFM. 300 PSI. Temperatures up to 250 degrees F.

  • QUALITY: Durable brass couplers. Case-hardened steel plugs, plated to resist rust and corrosion.

  • M-STYLE KIT INCLUDES: (1) Female Coupler, (3) Male Plugs, and (1) Female Plug. [Milton #715, #727, #728].

Specifications

Manufacturer : Milton Industries

Part Number : S-211

Item Weight : 0.1 Pounds

Product Dimensions : 5.6 x 2.5 x 1 inches

Material : Brass, Steel

Power Source : Air Powered

Measurement System : Inch

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 43488845144

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J
Verified Purchase
Junebug
West Palm Beach, US
★★★★★ 5
Great product saves money.
Fits as it should
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
S
Verified Purchase
Sarah
Lake Worth, US
★★★★★ 5
Best Air Filter EVER
I have used these in my cars for years. They improve turbo lag significantly, increase air flow, and just work. What I like best about these, beside the protection they offer the air intake system, is that they truly are a life long product. My last car had one in it for 13 years. With a cleaning every 25K miles as outlines by KN the air filter just continued to work and work. I recently purchased one for my new Honda CR-V and had it installed at the dealership at 500 miles when I was getting an oil change to flush out the build lube. The mechanic who did the work left me a note that said "great filter, I love these"
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Reviewed in the United States on July 13, 2019
S
Verified Purchase
Steve
Boise, US
★★★★★ 4
Worth it! Love these filters.
I love K & N air filters and always install them in my cars. This eliminated my cars Turbo lag in my 2019 Honda Civic Ex which has a 1.5L Turbo. Acceleration has improved and makes the car louder (I also have dual exhaust) I love how you don't have to change or clean it for 50,000 miles!! I know it's expensive but will last forever! Only issue was it was very difficult to install and a pain but this is more Hondas fault as I could not fully remove the plastic case where this filter goes under the hood even with tools.
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Reviewed in the United States on November 23, 2019
R
Verified Purchase
R. A
Chelsea, US
★★★★★ 5
Works great
Perfect fit
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Reviewed in the United States on August 7, 2025
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Verified Purchase
Evan
Los Angeles, US
★★★★★ 5
More power and better mileage
Put this in my 2017 CRV and have noticed much more pickup and better mileage overall. Usually I average 22mpg with mixed driving and this has me hovering around 25mpg and I get to have extra power on top of that. Install was straightforward and a breeze. Whole project is done in ten mins and your car is instantly more fun and getting improved MPGS
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Reviewed in the United States on November 30, 2024

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