1. Valavu yoyang'ana yotsika kwambiri ilibe latex yachilengedwe ya mphira, imalepheretsa kupuma ndikulola kuti mpweya wotuluka utuluke.
2. Thechubu cha oxygenimatha kuwonetsetsa kuti mpweya wa oxygen ukuyenda ngakhale chubucho chatsekedwa,ndikutalikaakhoza makonda.
3. Chogulitsacho chikhoza kukhala chobiriwira chowonekera komanso choyera.
4. chosinthika mphuno kopanira chimatsimikizira omasuka zoyenera.
5. Malo olowera chitetezo amalola kulowetsa mpweya m'chipinda.
6. Adapter swivels kuti agwirizane ndi malo odwala.
7. PVC yowoneka bwino, yofewa kuti mutonthozedwe kwa odwala komanso kuunika kowonekera.