SKU: 48456903777

S&B Filters 20-2935-01 JLT Air Filter Pre Filter Fits 3.5x8 Inch 4x9 Inch 4.5x9 Inch and 5x8 Inch Filters Black

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Description

S&B Filters 20-2935-01 JLT Air Filter Pre Filter Fits 3.5x8 Inch 4x9 Inch 4.5x9 Inch and 5x8 Inch Filters BlackJLT Performance pre filters are a great way to add style and protection to your JLT cold air Intake system. Custom made for us by Outerwears. Outerwears Pre filters are Designed to enhance the efficiency of any performance or exposed Air Filter. The Pre filter is constructed with a proprietary polyester mesh with uniform micron openings, treated with an hydrophobic water repellent process. The mesh is UV resistant, filters debris down to . 005 inch,

JLT Performance pre-filters are a great way to add style and protection to your JLT cold air Intake system.

Custom made for us by Outerwears.

Outerwears Pre-filters are Designed to enhance the efficiency of any performance or exposed Air Filter. The Pre-filter is constructed with a proprietary polyester mesh with uniform micron openings, treated with an hydrophobic water-repellent process.

The mesh is UV resistant, filters debris down to .005 inch, is shatter proof in freezing temperatures, and resistant to heat up to 450 degrees. The material is puncture resistant and has elasticity characteristics allowing the threads to return to the original position in the event the threads have been impacted or shifted.

The manufacturing process incorporates a welded seam for strength, or reinforced industrial grade thread to fill needle holes and to reduce potential failure points in the material. The top seam utilizes specialized thread and cording (on larger pieces w/tops) to reinforce durability of the top.

Pre-filters are Designed to deflect the damaging debris, which clogs Air Filters, compromising peak air-flow and horsepower. The Pre-filter also extends the time between servicing intervals reducing costs and increasing convenience for the consumer.

Water Repellent
The Outerwears Pre-filter is an excellent solution to prevent water from entering into the engine due to puddles or heavy rainstorms. An Outerwears Pre-Filter is Designed to be Water Repellent and will reduce the risk of water entering through an air Intake system. Although our Pre-Filters are proven to be extremely effective in repelling water, please keep in mind they are not water proof. If submerged, your Intake can hold or pass water.

  • Outerwears Pre-filters are an excellent solution to prevent water from entering into the engine
  • Outerwears Pre-Filters are Designed to repel water aGainst heavy rainstorms and road puddles

How long will the water repellency last?
The water repellency longevity is dependant upon driving conditions and the number of times the filter is cleaned. Generally speaking, we recommend changing the Pre-Filter every 6-12 months. However, a quick test can determine if it is time to change your Pre-Filter.

Simply take an ordinary clean spray bottle filled with water and gently spray the Pre-Filter. If the water beads off the Pre-Filter, your water repellency is still working. If you see water enter through the Pre-Filter, it is time to purchase a new Pre-Filter.

Water repellency feature will last 6-12 months depending on driving conditions and number of cleanings

Can I retreat the Pre-filter with Water Repellent spray?
No. The Outerwears Pre-Filters water repellency feature is a complicated hydrophobic Water Repellent process. It is not sprayed on. This process is Designed to prevent water ingestion, and at the same time, continue to allow maximum airflow. If you were to spray on any aftermarket water repellency solution, you would reduce the airflow resulting in horsepower and fuel efficiency loss.

  • Water repellency feature is a factory process and cannot be duplicated by spraying on an aftermarket water repellency solution
  • Will the Outerwears Water Repellent Pre-Filter restrict airflow more than the non-Water Repellent Pre-Filters? Our Water Repellent Pre-Filters are manufactured using a hydrophobic Water Repellent process. This hydrophobic Water Repellent process is not sprayed on; as a result there is no air loss.
  • Outerwears Water Repellent Pre-Filters will not have any negative airflow loss compared to a non-Water Repellent Pre-Filter.

This pre-filter specifically Fits the following JLT Air Filters:

  • 4.5 x 9 Inch
  • 4 x 9 Inch
  • 3.5 x 8 Inch
  • 5 x 8 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: 48456903777

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4.2 ★★★★★
Based on 13 reviews
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A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 3
REALLY unsafe to walk around in these
Size: 2 pairs black L
They do what they are expected to do, but should only be used if you are stationary. The gel base makes for very unstable footing if walking around
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
S
Verified Purchase
Suz
Lowell, US
★★★★★ 5
These work
Size: 2 pairs black L
My husband loves these they help his very dry feet. As others have stated they are extremely difficult to walk in so have to be careful but they do work nicely.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
M
Verified Purchase
MW
Draper, US
★★★★★ 1
Potential Fall Risk
Size: 2 pairs black L
While these socks do indeed help soften rough skin on your feet, there is a risk of falling while wearing them. Although they have treads on the bottom, which would indicate they’re safe to wear with nothing else, when you put moisturizer on and then wear them your foot can slip inside the sock . This causes you to lose your balance and fall, which happened to me. I’ve thrown them out.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2024
Z
Verified Purchase
zach
Los Angeles, US
★★★★★ 4
I could be a foot model now!!!
Size: 1 pair black L
I wear work boots almost all of the time so I bought these to put on my feet with salycylic acid to moisturize and try to get rid of a stubborn corn on the ball of my foot. It helped drastically after a few nights of lounging in the house with them on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
K
Verified Purchase
K. Davis
Massapequa, US
★★★★★ 5
Works for foot psoraisis
Size: 2 pairs black L
Got these for work (service industry) to reduce issues with psoriasis and blisters while putting on 20k+ steps a day. Over time the wounds healed and I could work without so much pain. I now don't use them all the time like I used to, only when a new lesion or blister appears, too prevent a breakout. Tip: if you're not in full breakout, wear thick socks under these as a barrier to friction.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

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