NEW DELHI: The central public works department (CPWD) procured 405 air purifiers in past four years. These were provided to offices, chambers, VIP lounges, dining halls, courtrooms, ministers’ chambers and Constitution Club of India, govt told Lok Sabha on Thursday.In a written reply, housing and urban affairs ministry said during 2023–24 and 2024–25, CPWD procured 300 air purifiers. “The devices were issued to offices, chambers, VVIP lounges, dining halls of judges and registrar of SC, courtrooms, ministers, Constitution Club of India, LS/RS secretariats in Parliament complex and various offices of ministries, departments at Nirman Bhavan, Sewa Bhavan, Vigyan Bhavan, and CPWD offices at Jodhpur and Varanasi,” it said.The overall number of air purifiers installed across all govt departments and ministries are much more considering that individual departments procure them though govt’s online marketplace — GeM.