External oil filter DE 1, 230 V, 50 Hz Order number: 068990 For Pascal, DuoLine™, UnoLine Plus The external oil filter is operated in the oil circuit of rotary vane pumps DE 1 Filter includes 1 cartridge. Factory supply is an activated alumina cartridge Furthermore, cartridges with cellulose and activated charcoal are available Replacement cartridge cellulose (for USA): Order number: 12633 Standard factory installed cartridges are activated alumina Application activated alumina: Mineral acids, Lewis acids, polar media Applications activated charcoal: Chlorine and chlorinated media, nitrous vapor, ammonia Applications cellulose: Filtration of particles from operating fluid Customer benefit: Longer life time of operating fluid and pump Request product Compare product Remember product