The phrase "filter material" is correct and usable in written English.
You could use it in a sentence like this: "He replaced the filter material in the air conditioning system."
A huge factor that contributes to the ability of villagers to buy and replace filter material in a timely manner is where the filter material is sold.
We found that many people would rather pay more and have to change the filter material less frequently.
We put Winthrop's 1-foot Cassegrain telescope in working order and covered the aperture with some modern solar filter material.
The islands are made from a nonwoven mat of filter material constructed from the recycled plastic bottles.
Hu, J. et al. Coating of ZnO nanoparticles onto the inner pore channel surface of SiC foam to fabricate a novel antibacterial air filter material.
Grebes are noted for swallowing feathers, which form a plug in the pyloric pocket of the stomach and effectively filter material passing to the intestine.
The UV filter material was explored and a low-cost architectural film was selected.
Flow occurred preferentially along roughly horizontal high-conductivity paths of coarser filter material.
Those who did have filters were not using them regularly and were not properly maintaining them and changing the filter material.
So The Times's choice was whether to use its resources to organize and filter material that was going public, one way or another.
Such a system -- which is typically installed near where the water enters a building -- "looks like a big oxygen tank" and contains five or six layers of filter material.
