
Sesebelisoa sa ho fetola mosi oa tšepe Catalyst ke sesebelisoa sa bohlokoa ka ho fetisisa sa ho hloekisa kantle se kentsoeng tsamaisong ea ho ntša mosi oa likoloi. Se ka fetola likhase tse kotsi tse kang carbon monoxide, li-hydrocarbon le li-carbon oxide tse tsoang mosi oa likoloi hore e be tse se nang kotsi ka metsoako ea oksijene le ho fokotsa carbon dioxide, metsi le naetrojene.
| Sebopeho | Boholo ba khetla (mm) | Boholo ba mantlha (mm) | Bongata ba sele (CPSI) |
| Ho potoloha | Φ 30×22 | Φ 28×20 | 100/200/300/400 |
| Ho potoloha | Φ 35×20 | Φ 33×20 | 100/200/300/400 |
| Ho potoloha | Φ 35×30 | Φ 33×30 | 100/200/300/400 |
| Ho potoloha | Φ 35×40 | Φ 33×40 | 100/200/300/400 |
| Ho potoloha | Φ 35×50 | Φ 33×50 | 100/200/300/400 |
| Ho potoloha | Φ 35×60 | Φ 33×60 | 100/200/300/400 |
| Ho potoloha | Φ35 × 70/100/130 | Φ33 × 60/90/120 | 100/200/300/400 |
| Ho potoloha | Φ42 × 70/100/130 | Φ40 × 60/90/120 | 100/200/300/400 |
| Ho potoloha | Φ45 × 70/100/130 | Φ43 × 60/90/120 | 100/200/300/400 |
| Ho potoloha | Φ63,5 × 85/100/130 | Φ60,5 × 74,5/90/120 | 200/300/400 |
| Ho potoloha | Φ73 × 70/100/130 L | Φ70 × 60/90/120 | 200/300/400 |
| Ho potoloha | Φ93 × 70/100/130 | Φ90 × 60/90/120 | 200/300/400 |
| Ho potoloha | Φ100,3 × 100/130 | Φ98,3 × 90/120 | 600 |
| Ho potoloha | Φ144 × 150/152,4 | Φ142 × 140/142,4 | 200/300/400 |
| Ho potoloha | Φ190 × 200 | Φ188 × 190 | 200/300/400 |
| Ho potoloha | Φ420 × 100/130 | Φ416 × 90/120 | 300/400 |
| Tsela ea peiso | 123×63×85 | 120×60×75 | 200/300 |
| Tsela ea peiso | 123×63×100 | 120×60×90 | 200/300 |
| Tsela ea peiso | 78,5×52×104 | 76,5×50×90 | 200/300 |
| Tekanyetso ea ho ntša metsi | Euro2, Euro3, Euro4, Euro5, Euro6; EPA le carbohydrate | ||
| Ho latela melao ea enjene | lienjene tsa peterole, lienjene tsa diesel le lijenereithara | ||
| Metswako e sebetsang ea catalyst | Pt, Pd, Rh, le likarolo tsa lefats'e tse sa tloaelehang | ||
| Lisebelisoa tsa substrate | tšepe (FeCrAL) | ||
Ha e bapisoa le substrate ea ceramic, substrate ea tšepe e na le melemo e mengata:
1. Ho tsamaisa mocheso hantle, ho futhumatsa ka potlako.
2. Khatello e tlase ea mokokotlo.
3. Sebaka se seholo se sebetsang hantle.
4. Bokhoni bo boholo ba ho kenya lintho ka har'a motlakase.
5. Moralo o monyane le o tenyetsehang haholoanyane.
6. Lebota le lesesaane.
7. Matla a phahameng a mechini.
8. Ho hanyetsa ho molemo ho feta ho thothomela ha mocheso le ho hanyetsa mokhathala oa mocheso.
9. Bophelo ba tšebeletso e telele.
1. Karolo e ka tlase ea tšepe e chitja le e oval bakeng sa koloi e tsamaeang tseleng.
2. Substrate ea tšepe bakeng sa enjene e nyane.
3. Substrate ea tšepe bakeng sa koloi e tsamaeang tseleng e seng tseleng.
4. Substrate ea tšepe bakeng sa catalyst ea indasteri.
5. Sebopeho se ikgethang sa substrate ya tshepe bakeng sa tshebediso e nngwe.