Sanduuqa HEPA waxaa inta badan laga sameeyaa shaandhada hepa iyo sanduuqa elektrostatic-ka si uu u noqdo jir isku dhafan. Sanduuqa elektrostatic-ka ah waxaa laga sameeyay saxan bir ah oo budada lagu dahaadhay. Qalabka hawo-qaboojiyaha waxaa lagu rakibi karaa dhinaca gelitaanka hawada si loo hagaajiyo socodka hawada iyo saameynta cadaadiska taagan. Waxay si aad u fiican u qaybisaa hawada si loo yareeyo xagasha dhiman ee aagga nadiifka ah loona hubiyo saameynta nadiifinta hawada. Sanduuqa hepa-ga shaabadda ee DOP waxaa loo isticmaalaa in lagu hubiyo in hawadu ay heli karto cadaadis taagan oo ku habboon ka dib marka la mariyo shaandhada shaabadda ee jelka iyo sidoo kale in la hubiyo in shaandhada hepa ay si macquul ah u isticmaali karto. Naqshadaynta shaabadda jelka waxay kordhin kartaa astaamaheeda hawo-gelinta iyo astaamaheeda gaarka ah. Shaabadda hepa-ga shaabadda jelka waxaa lagu gooyn karaa kanaalka jelka ee qaabka U si loogu shaabadeeyo hermetically.
| Moodel | Cabbirka Dibadda (mm) | Shaandheeyaha HEPA Cabbirka (mm) | Mugga Hawada ee la qiimeeyay (m3/saacaddii) | Cabbirka Soo Galka Hawada (mm) |
| SCT-HB01 | 370*370*450 | 320*320*220 | 500 | 200 * 200 |
| SCT-HB02 | 534*534*450 | 484*484*220 | 1000 | 320 * 200 |
| SCT-HB03 | 660*660*380 | 610*610*150 | 1000 | 320 * 250 |
| SCT-HB04 | 680*680*450 | 630*630*220 | 1500 | 320 * 250 |
| SCT-HB05 | 965*660*380 | 915*610*150 | 1500 | 500 * 250 |
| SCT-HB06 | 1310*680*450 | 1260*630*220 | 3000 | 600*250 |
Faallo: dhammaan noocyada alaabta qolka nadiifka ah waxaa loo habeyn karaa shuruudo dhab ah.
Qaab-dhismeed fudud oo is haysta, si fudud loo rakibi karo;
Tayada lagu kalsoonaan karo iyo waxqabadka hawo-qaadista oo xooggan;
Naqshadeynta shaabadda oo dhan ee DOP ayaa la heli karaa;
Ku habboon shaandhada hepa, si fudud ayaa loo beddeli karaa.
Waxaa si weyn loogu isticmaalaa warshadaha dawooyinka, shaybaarka, warshadaha elektaroonigga ah, warshadaha kiimikada, iwm.