The B&G Portable Aerosol and VersaFoamer Combo Unit is designed for crack and crevice treatments using products approved for use in an aerosol machine and/or foamer. Typically when using disinfectants which can be applied with a fogger you would use a true fogging machine such as the Fogmaster Jr (for small jobs) or the VectorFog C20 ULV Cold Fogger for more commercial applications. There is also a cordless fogger by VectorFog which is the DC20, which is a great options for professionals.
Yes, Pyrocide 100 can be used in the B&G ULV Portable Aerosol and VersaFoamer Combo Unit as a ULV fog application.
Yes, you can foam Bora-Care into the wall voids using the B&G Portable Aerosol and VersaFoamer Combo Unit as long as you are following the instructions on the product label.
B&G parts such as the B&G ULV Portable Aerosol and VersaFoamer Combo Unit are not interchangeable & will not work with other brands such as Birchmeier. For help with parts with your DR5 duster, we would recommend reaching out to Birchmeier directly