Uni Filter
Uni Filter is a privately held US manufacturer of polyurethane foam air filters founded in 1969 and based in Fullerton, California, selling direct-to-consumer via unifilter.com to powersports, vintage motorcycle, and automotive performance customers worldwide.
- Company typePrivate
- Founded1969
- HeadquartersFullerton, United States
- Headcount1–10
- GTM typeB2C
- OfferingHardware or Manufacturing
What Uni Filter does
Uni Filter, Inc. is a privately held US manufacturer of polyurethane foam air filters founded in 1969 and headquartered at 1468 Manhattan Avenue, Fullerton, California. The company's core technology is a two-stage foam filtration design combining a coarse outer foam layer with a fine inner layer to maximize dirt capture while preserving airflow. Its 1973 patented 'Sock' Filter design for motorcycles and small engines is the foundational product architecture from which the broader catalog was developed. Uni Filter manufactures all products in the USA and sells exclusively direct-to-consumer through its e-commerce storefront at unifilter.com, with no disclosed distributor or third-party retail channel.
The product portfolio covers dirt bike, ATV/UTV/SXS, street bike, vintage motorcycle (pre-1981), and high-performance automotive applications, including clamp-on Sock and Pod filters, dual-layer Pod filters, snowmobile Pod filters, formed aluminum and chrome-housing automotive filters, catch can breathers, and supporting maintenance products (filter oil, cleaner, foam wraps, replacement foam sheets, and branded accessories). Pricing is set on a per-unit basis across dirt bike filters ($11.95 to $47.95), clamp-on filters ($12.95 to $74.95), and automotive filters ($21.95 to $202.95). The company markets primarily through its e-commerce catalog, a Facebook page, and professional racing endorsements, citing named racers including James Stewart, Chad Reed, Ryan Villopoto, Eli Tomac, and Jeremy McGrath as endorsers.
The business model is a one-time-sale aftermarket parts operation: revenue is generated through unit-priced filter and accessory sales to individual consumers, professional racers, and automotive performance enthusiasts. The company has no disclosed external funding, no parent company, no subsidiaries, no M&A activity, and no leadership changes in the source data, consistent with a closely held specialty manufacturer operating at modest scale.
Uni Filter firmographics
Firmographics- Name
- Uni Filter
- Legal name
- Uni Filter Inc.
- Website
- https://unifilter.com
- Company type
- Private
- Founded year
- 1969
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Uni Filter is a privately held US manufacturer of polyurethane foam air filters founded in 1969 and based in Fullerton, California, selling direct-to-consumer via unifilter.com to powersports, vintage motorcycle, and automotive performance customers worldwide.
- Ownership category
- akta.pro rank
Where Uni Filter is headquartered
LocationHeadquarters
- HQ city
- Fullerton
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Uni Filter business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Air Filter Sales: Uni Filter generates revenue through the sale of foam air filters for motorcycles, ATVs, UTVs, street bikes, and automotive applications. Products are sold directly through their e-commerce platform with prices ranging from approximately $11.95 to $202.95 depending on product type and application.
- Accessories and Maintenance Products: Sale of related accessories including cleaning products, filter oil, apparel (T-shirts and caps), air vents, levers, and foam sheets for custom filter fabrication.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Clamp-On Sock Filters |
| Unit Pricing | Pay-as-you-go | Clamp-On Pod Filters |
| Unit Pricing | Pay-as-you-go | Dual Layer Pod Filters |
| Unit Pricing | Pay-as-you-go | Automotive Filters |
| Unit Pricing | Pay-as-you-go | Dirt Bike Filters |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Uni Filter product offering
Product offeringCore offering
Uni Filter manufactures polyurethane foam air filters for motorcycles, ATVs/UTVs, street bikes, vintage motorcycles, and automotive applications (drag racing, street rods, dirt trackers). Its catalog spans dirt bike filters, ATV/UTV/SXS filters, street bike direct factory replacement filters, universal clamp-on filters, vintage motorcycle filters, and high-performance automotive filters, plus foam filter oil and cleaner and branded accessories such as apparel and foam sheets.
Product overview
Uni Filter is a manufacturer of polyurethane foam air filters founded in 1969, producing what it claims is the most comprehensive line of foam air filters in the world. The product portfolio centers on their core foam air filter technology with several distinct product lines: Dirt Bike Air Filters for off-road motorcycles, ATV/UTV/SXS Air Filters for all-terrain and side-by-side vehicles, Street Bike Air Filters as direct factory replacements, Universal Clamp-On Air Filters (the original product category), Vintage Motorcycle Air Filters for pre-1981 bikes, and Hi-Performance Automotive Foam Air Filters. Within the clamp-on category, they offer Sock Filters (green foam, no flange), POD Filters (black foam with urethane flange), Dual Layer POD Filters (two-stage red outer/black inner foam), Snow Mobile POD Filters, POD Kits, and Breathers. Automotive products include Catch Can Breather Air Filters, Clamp-On Filters, Formed Aluminum Housing Filters for drag racing, Chrome Round Housing Filters, UMP Canister 3-stage filters, and Foam Filter Wraps. Supporting products include Foam Filter Oil and Cleaner for maintenance, and Motorcycle Accessories including branded apparel and foam sheets. All products are made in the USA.
Differentiator
Problem solved
Functional benefit
Products and services
- Uni Dirt Bike Air Filters Foam air filters designed for dirt bikes with a unique two-stage design aimed at producing more horsepower and torque while delivering engine protection and overall performance in dusty off-road conditions.
- Uni ATV/UTV/SXS Air Filters Foam air filters for all-terrain vehicles, utility task vehicles, and side-by-side vehicles, providing engine protection and performance using two-stage foam design suited to off-road use.
- Uni Street Bike Air Filters Direct factory replacement air filters designed to fit perfectly into stock airboxes, providing airflow, dirt stopping ability, and performance for street motorcycle riders.
- Uni Universal Clamp-On Air Filters (Sock, Pod, Dual Layer) The original clamp-on foam air filters that clamp directly onto carburetors of any size, available in Sock (green polyurethane foam, no flange), Pod (black foam with urethane flange), Dual Layer (coarse red outer and fine black inner foam), Snow Mobile Pod, POD Kits, Breathers, and Filter Wrap variants.
- Uni Vintage Motorcycle Air Filters Replacement foam air filters for vintage motorcycles 1980 and earlier; the company claims the largest inventory of vintage motorcycle foam air filters in the world for this category.
- Uni Hi-Performance Automotive Foam Air Filters High-performance foam air filters for automotive performance applications, used by top off-road race teams and produced in Catch Can Breather, Automotive Clamp-On, Formed Aluminum Housing, Chrome Round Housing, UMP Canister, and Automotive Foam Filter Wrap variants.
- Uni Foam Filter Oil and Cleaner Specially formulated oil and cleaner for proper service and maintenance of Uni foam air filters, sold as a stand-alone maintenance product alongside the filter lines.
- Uni Motorcycle Accessories Branded motorcycle accessories including T-shirts, caps, air vents, levers, and air filter foam sheets for custom air filter fabrication.
Quantifiable outcome
- Filters hold extreme amounts of dirt while providing excellent airflow and performance
- +1 more outcomes
Companies that use Uni Filter
Customer profileNamed customers2 records
Segments4 records
Ideal customer profiles4 records
Uni Filter technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Uni Filter partnerships and signals
Strategic signalScale indicators3 records
Recent moves4 records
Expansion highlights4 records
Uni Filter competitors and assessment
Company assessmentBroad incumbents
- Mann-Filter (MANN+HUMMEL): Global filtration manufacturer supplying automotive OEM and aftermarket filtration products. Operates in the same broader air filtration industry as Uni Filter but at much larger scale across passenger vehicles and commercial applications.
- WIX Filters: Manufacturer of automotive and heavy-duty filtration products including air, oil, fuel, and cabin filters. Serves the broader automotive aftermarket with extensive distribution networks that Uni Filter's direct model cannot match.
- FRAM: Established automotive filtration brand covering air, oil, fuel, and cabin filters across passenger vehicle applications. Operates as a broad incumbent in the same automotive air filtration space Uni Filter addresses at the performance end.
- Donaldson Company: Large diversified filtration manufacturer producing air, liquid, and exhaust filtration products across industrial, agricultural, and on-road/off-road mobile markets. Provides scale context for Uni Filter's filtration expertise.
Direct peers
- Twin Air: Specialized manufacturer of foam air filters for motocross, enduro, and off-road motorcycles. Twin Air competes most directly with Uni Filter in the dirt bike foam filter segment with similar two-stage foam technology.
- Spectre Performance: Manufacturer of automotive air intake components, air filters, and performance accessories for street and racing applications. Overlaps with Uni Filter's automotive performance and clamp-on filter lines.
- BMC Air Filter: Manufacturer of high-performance replacement air filters for motorcycles, automotive, and industrial applications. Competes with Uni Filter in the performance aftermarket with cotton gauze and synthetic media products.
- AEM Induction: Manufacturer of performance air intake systems and dryflow air filters for automotive and motorsports applications. Overlaps with Uni Filter in the automotive performance aftermarket with similar product positioning.
- aFe Power: Manufacturer of high-performance air filters, cold air intakes, and exhaust systems for trucks, SUVs, and muscle cars. Competes with Uni Filter's automotive performance filter offerings.
- K&N Engineering: Direct competitor manufacturing high-performance air filters and intake systems for automotive, motorcycle, and powersports applications. Both companies serve overlapping customer segments with reusable aftermarket air filtration products positioned on performance gains.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Uni Filter social profiles
Digital presenceUni Filter financial estimates
Financial estimateRevenue estimate
Valuation estimate
Uni Filter leadership team
Management profileNumber of profiles
Uni Filter funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Uni Filter M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Uni Filter
What does Uni Filter do?
Uni Filter manufactures polyurethane foam air filters for motorcycles, ATVs/UTVs, street bikes, vintage motorcycles, and automotive applications (drag racing, street rods, dirt trackers). Its catalog spans dirt bike filters, ATV/UTV/SXS filters, street bike direct factory replacement filters, universal clamp-on filters, vintage motorcycle filters, and high-performance automotive filters, plus foam filter oil and cleaner and branded accessories such as apparel and foam sheets.
Is Uni Filter a public or private company?
Uni Filter is a private company. It is classified as unknown and is currently operating.
When was Uni Filter founded?
Uni Filter was founded in 1969. It employs 1 to 10 people.
Where is Uni Filter based?
Uni Filter is headquartered in Fullerton, United States, in the North America region.
How does Uni Filter make money?
Two revenue lines are on record. Air Filter Sales are the primary driver. The others are accessories and Maintenance Products.
Who are Uni Filter's main competitors?
Broad incumbents on record are Mann-Filter (MANN+HUMMEL), WIX Filters, FRAM and Donaldson Company. Direct peers are Twin Air, Spectre Performance, BMC Air Filter, AEM Induction, aFe Power and K&N Engineering.
Does Uni Filter have an API?
No public API is recorded for Uni Filter.