?compatible model?

This replacement filter is compatible with dyson dp01 dp02 hp01 hp02.

Product size: 21.2 cm x 15cm/8.3 inches x 5.9 inches.

Formaldehyde removal technology?

Imported cold catalyst, alumina and activated carbon combination, the first two absorption, the latter decomposition, breaking the traditional only rely on activated carbon adsorption, activated carbon once saturated will volatilize the acidic smell of the drawbacks.

Special material?

The product uses activated carbon with a pore diameter of less than 2nm.

The surface area of micropores in activated carbon accounts for more than 95% of its own surface area, which is currently the activated carbon with the largest adsorption capacity.

Fresh air?

Bring fresh air into your home.

This is essential for families with children, elderly people, pets, allergies, smokers and asthmatics.

Silver ion coating?

Add nano-silver coating to the outside of high-efficiency materials, which can slowly release silver ions