Feature:
Peb siv zog ua kom zoo tag nrho hauv txhua qhov kev nthuav dav.
Cov khoom siv yas ua rau ntsaws lub teeb thiab compact.
Lub ntsaws nrog ntau qhov ntau thiab tsawg rau kev xaiv yog yooj yim heev rau kev txuas thiab txiav.
Zoo sealing kev ua tau zoo ua kom zoo.
Qauv | ΦD | L | A |
SPP-4 | 4 | 30 | 20 |
SPP-6 | 6 | 34 | 20 |
SPP-8 | 8 | 38 | 22 |
SPP-10 | 10 | 40 | 25 |
SPP-12 | 12 | 43 | 27 |