blower inverter with booster as per medha part no sp648v22001 note1 the firm should submit authorized dealership certificate or proof of purchase from oem along with materials for acceptance 2 the fir m should mention the make model no while participating in the tender warranty period 30 months after the date of delivery blower inverter with booster as per medha part no sp648v22001 note1 the firm should submit authorized dealership certificate or proof of purchase from oem along