Filtrine HCAI OSHPD Special Seismic Certification Preapproval (OSP) #OSP-0369 Home»Resources»Filtrine HCAI OSHPD Special Seismic Certification Preapproval (OSP) #OSP-0369 Filtrine Model OSP chiller test results accepted by the California Department of Health Care Access and Information (HCAI, formerly OSHPD) Download File