HVAC G4 Primary Washable air Filter Panel Pleated Pre Filter Primary air Filter G4

1. High-density pre-filter, made of 500g/㎡ polyester fiber material, 30% denser than ordinary pre-filters. It can filter hair, cotton fluff, and large dust particles, protecting the HEPA filter from clogging and extending the overall filter core's lifespan. It is washable, and the filtration efficiency remains unchanged after cleaning. Compatible with the pre-filter layer of various purifiers, it can be replaced separately at a low cost, making it a "durable pre-filter guardian" for household purifiers.

2.Washable long-lasting filter. The pre-filter is made of electrostatic cotton material and can be washed over 50 times. The HEPA layer is made of PTFE-coated material, which is waterproof and oil-resistant, and the filtration efficiency does not decline after cleaning. The activated carbon layer is detachable for cost-effective replacement. It is suitable for household economy air purifiers and has an overall lifespan of up to 1 year, significantly reducing replacement costs. It is environmentally friendly and cost-effective, making it a good choice for families seeking high value for money.

3.High cost-effectiveness pre-protection, reducing overall purification costs
Intercepts large particles such as hair, dust, dander, and willow catkins, serving as the "first line of defense" for the air purification system
Significantly reduces the clogging probability of medium and high-efficiency filters, extending their lifespan by 30% to 50%, and lowering long-term replacement costsHigh cost-effectiveness pre-protection, reducing overall purification costs
Intercepts large particles such as hair, dust, dander, and willow catkins, serving as the "first line of defense" for the air purification system
Significantly reduces the clogging probability of medium and high-efficiency filters, extending their lifespan by 30% to 50%, and lowering long-term replacement costs

4.Specialized filter for photography studios, designed to handle photography dust and background cloth debris. The HEPA layer filters out fine dust, preventing it from adhering to lenses and props. The activated carbon layer removes formaldehyde (from new construction) and prop odors in the studio. The filter operates silently, not affecting audio recording during photography. It is suitable for small purifiers in studios and lasts up to 4 months, helping photographers create a clean shooting environment.