Fibglass duct inogona kushandiswa kuburitsa gasi iri pasi pegorion gasi nzvimbo. Pombi yakadaro inogona kutenderera kana kuti tsono, uye inogona kuramba gasi rinoputika, senge chlorine gasi, flue gasi, nezvimwe.
Kukura: Zvakagadzirirwa
Model: Round, rectangular, yakakosha chimiro, yakagadziridzwa, nezvimwe.