Breather（Taisei）
AP
Air breather
| AP-02 | R1/4 ※1 AP-02 have only hard paper element. |
| AP-03 | R3/8 |
| AP-04 | R1/2 |
| AP-06 | R3/4 |
| AP-08 | R1 |
| AP-12 | R1 |
| AP-16 | R2 |
| AP-24 | R3 |
| AP-32 | JIS5K-100ASOP,FF |
| AP-48 | JIS5K-150ASOP,FF |
FAB
Fluid refill breather
| FAB-35 | Approx. 35 |
| FAB-50 | Approx. 50 |
FA
Fluid refill breather
| FA-35 | Approx. 35 |
| FA-50 | Approx. 50 |
FU
Fluid refill breather
| FU-50 | Approx. 55 |
| FU-75 | Approx. 80 |