Looking for High Volume Air Sampler (HVAS) From PD. Karya Mitra Mulia. PD. Karya Mitra Mulia selling High Volume Air Sampler (HVAS) and also Alat Perikanan, Irigasi Tetes, Alat Laboratorium Air, Alat Laboratorium Lingkungan, Alat Pertanian. For requests and quotations, click Request a Quote button down below.