Shanghai Boge Trading Co., Ltd. provides:

All series of air filters from Boge use fibre resins & polyesters to compound filter materials which has dampproof ability. The precision is 3-10mm. Those air filters provide ideal air inflow & dust filter capabilities to air compressors. They   must meet your requirements in different compressors.

It can be replaced for Boge original parts, which are much more expensive. The price is only 1/3 or 1/2 compared with Boge original ones. Additionally, it has got same after-sale claim policies as Boge ones. No worries and decrease costs.

Boge Air Filters