Pleated sintered metal fiber felt filter cartridge

Pleated sintered metal fiber felt filter cartridge

For pleated sintered metal fiber cartridges, the metal fiber felt is usually wrapped with square weave mesh
 on both sides to protect the felt. On the outside of the pleats, there is possibly perforated metal sleeve to protect the pleats, or it may left naked if there is no backwash or backpressure working condition.