Ururiyaha boodhka duufaantu waa nidaam lagu sifeeyo boodhka ku jira gaasta flue/gaaska.Inta badan loo isticmaalo sifaynta gaaska boodhka leh iyo soo kabashada alaabta.Qolofka shaandhada bacda jet-ka ee garaaca hawada waa nooc dibadda ah, oo ka kooban qolof, qol, dambas-hawlgale, nidaamka dheecaanka, habka duritaanka iyo nidaamka xakamaynta tooska ah.Waxay leedahay tilmaamo badan oo kala duwan iyadoo loo eegayo isku dhafka kala duwan ee qolka shaandhada hawada iyo bacda shaandhada hawada gudaha.Waxaa jira afar taxane oo ah 32, 64, 96, 128, iyo wadar ahaan 33 taxanayaal buuxa ah;cabbirrada bacda shaandhada waa 130mm dhexroor iyo 2500mm oo dherer ah;Boodhkan taxanaha ah waxaa lagu shaqeeyaa cadaadis taban, iyo waxtarka ka saarista siigada waxay gaari kartaa in ka badan 99.9%.Nadiifinta ka dib Heerarka sii daaya boodhka ee gaasta waa 10-50mg/Nm³.