Tenders for Supply of Kit Of Diaphragm Assembly For Switzer Make Air Flow Relays Qvmt / Qvsl / Qvrh, Kit Consist Of 03 Items As Given Below: 1 Plunger With Insert Moulded - 1 No./Set 2 Neoprene Diaphragm - 1 No./Set 3 Bias Spring Each - 1 No./Set. Note: Firm Should Submit Authorised Dealership Certificate Along With Tender.