| Manufacturero | BTS Engineering |
| Tipo de boquilla | Boquilla de columna (partes internas de la torre) |
| Analógico | Ultimo Engineers, AMACS, Koch-Glitsch, Christy Catalytics, НКС DOLSIN, Munters, MACH Engineering LLC, Pall Ring Company, MTE |
| Manufacturero | BTS Engineering |
| Tipo de boquilla | Boquilla de columna (partes internas de la torre) |
| Analógico | Ultimo Engineers, AMACS, Koch-Glitsch, Christy Catalytics, НКС DOLSIN, Munters, MACH Engineering LLC, Pall Ring Company, MTE |