Product Introduction
The 308021-3107041 oil filter is a spin-on oil filter employing high-precision composite filter paper and an optimized structural design. Its filter media uses high-quality glass fiber and cellulose composite filter media, achieving a multi-stage filtration mechanism of "inertial impaction, direct interception, and diffusion adsorption" through a three-dimensional labyrinthine fiber network, achieving an interception efficiency of over 99% for 10-15μm solid particles.
The product housing is made of high-quality galvanized steel with a red paint coating for excellent corrosion resistance. The threads are precise and securely engaged. An internal bypass valve automatically opens when the filter element is clogged or during cold starts at low temperatures, preventing dry friction damage caused by oil supply interruption.

Scope of Application and Industry Applications
- Air compressor stations for industrial manufacturing
- Mobile air compressors for construction sites
- Screw air compressors for mining and tunneling projects
- Compressed air supply workshops in textile, chemical, pharmaceutical, and food industries
- Air compressor equipment for the cement, building materials, and power industries
Precautions
- Always use high-quality lubricating oil that matches the specifications of your air compressor. Inferior oils are prone to carbon buildup, which accelerates filter clogging and affects filtration efficiency.
- If the air compressor operates in a dusty, high-temperature environment or for extended periods, it is recommended to shorten the replacement cycle accordingly.
- Using filters beyond their service life will lead to decreased filtration efficiency, deterioration of lubricating oil quality, accelerated wear of the compressor, and increased energy consumption. In severe cases, it may cause major malfunctions such as bearing burnout and rotor seizure.
Factory Showcase


Transportation

FAQ
Q1. What are your main products?
A: We are a leading manufacturer of air filters, oil filters, oil-water separators, and other filter replacements in Xinxiang City, Henan Province. Our products fit various brands.
Q2. How do you build long-term relationships with customers?
A: By offering good quality and competitive prices, and by treating every customer as a friend regardless of where they come from. Each product has a stated MOQ, and assorted items are negotiable.
Q3. How do you guarantee the quality of the product?
A: Our factory has established a comprehensive testing mechanism, and every step of the production has undergone a strict quality inspection.
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