We supply a full range of filter screens for coach, bus and light‑bus air‑conditioning & HVAC systems. Our product portfolio includes defroster dust filters, cabin air‑con filters, water tank filters, battery protection filters and fresh‑air filters. Multiple dimensions are available for different vehicle maintenance and replacement requirements. Please refer to the table below for detailed model and specification information.

Purpose

This universal bus cabin air filter screen is specially designed for coach bus air‑conditioning systems. It filters dust, pollen, fine debris and other impurities from the outside air entering the vehicle cabin. It effectively keeps the interior air clean, protects the air‑conditioning evaporator and heat‑dissipation components from clogging, and improves the air output quality of the air conditioner, bringing a comfortable riding environment for passengers and drivers.

Product Features

1. Adopts folded pleated filter paper structure, which expands the filtering area and guarantees stable filtering performance.

2. Multiple available sizes, suitable for different models of coaches and city buses, belongs to direct‑replacement spare part.

3. Light‑weight flexible filter material, good permeability, will not cause excessive resistance to air‑conditioning air flow.

4. Simple appearance without redundant accessories, matches original installation position perfectly.

Product Advantages

This defroster dust filter screen is a cost‑effective replacement component for bus air‑conditioning systems. It can reduce the frequency of air‑conditioning evaporator cleaning and lower later‑stage maintenance costs. High‑quality filter material can intercept most particulate contaminants. It fits mainstream bus brands including King Long, Yutong, Higer, Golden Dragon and other coach models. No modification is required during replacement, shortens maintenance time. It supports bulk wholesale supply for after‑sales repair workshops and bus operators.

Installation Steps

1. Turn off the vehicle air‑conditioning system and cut off related power supply before installation.

2. Locate the cabin air filter access panel of the bus air‑conditioning unit, open the protective cover.

3. Take out the old and failed filter screen from the installation slot.

4. Check the installation direction mark of new filter screen, put the new filter into the filter slot flat, ensure the filter is fully seated without tilting or bending.

5. Re‑install and fasten the protective access cover.

6. Switch on the air‑conditioning system and test air outlet wind volume to confirm normal operation.

Notes

1. Please select the correct size filter screen according to your bus air‑conditioning unit dimension; wrong size will lead to poor sealing and filtering failure.

2. Do not wash and reuse this filter screen, it is a consumable replacement part. Replace it regularly according to actual dust concentration of working environment.

3. Do not bend, squeeze or damage the pleated filter paper during installation; damaged filter paper will greatly reduce filtering effect.

4. Check whether the surrounding sealing rubber strip is intact while replacing filter; poor sealing will cause unfiltered air to bypass the filter.

5. Stop installation immediately if you encounter forced jamming, double‑check the size and installation direction, do not apply brute force.

6. Keep the installation slot clean before putting in new filter, clear accumulated dust and debris inside the cavity.