supply of set of oxygen poweredset of oxygen powered,set of oxygen powered automatic abs plastic with negative ion generators air flow (10 cubi c-meter per hour) with grande cartridge of 35 ml. (one set consists of 01 no. oxygen powered automatic a bs plastic with negative ion generators air flow- 10 cubic-meter per hour and 03 nos. grade cartridge of 3 5 ml. fragrance oil). (battery included). features: continuous 24 hrs fragrance and malodor neutralization, k ey lock system for cartridge works for 30, 60 & 90 days. firm should submit authorization letter from oem. [ warranty period: 30 months after the date of delivery ] ]