
4*10 (inner diameter 4*5.5) * Three layers 12 microns /200 pieces

5*10 (inner diameter 5*5.5) * Three layers 12 microns /200 pieces

6*10 (inner diameter 6*5.5) * Three layers 12 threads /200 pieces

5*12 (inner diameter 5*7.5) * Three layers 12 threads /200 pieces

6*12 (inner diameter 6*7.5) * Three layers 12 threads /200 pieces

7*12 (inner diameter 7*7.5) * Three layers 12 threads /200 pieces

8*12 (inner diameter 8*7.5) * Three layers 12 threads /200 pieces

6*14 (inner diameter 6*8.5) * Three layers 12 microns /200 pieces

7*14 (inner diameter 7*8.5) * Three layers 12 microns /200 pieces

8*14 (inner diameter 8*8.5) * Three layers 12 microns /200 pieces

9*14 (inner diameter 9*8.5) * Three layers 12 microns /200 pieces

10*14 (inner diameter 10*8.5) * Three layers 12 microns /200 pieces

11*14 (inner diameter 11*8.5) * Three layers 12 microns /200 pieces

12*14 (inner diameter 12*8.5) * Three layers 12 threads /200 pieces

6*15.5 (inner diameter 6*10) * Three layers 12 microns /200 pieces

7*15.5 (inner diameter 7*10) * Three layers 12 microns /200 pieces

8*15.5 (inner diameter 8*10) * Three layers 12 microns /200 pieces

9*15.5 (inner diameter 9*10) * Three layers 12 microns /200 pieces

10*15.5 (inner diameter 10*10) * Three layers 12 microns /200 pieces

11*15.5 (inner diameter 11*10) * Three layers 12 microns /200 pieces

12*15.5 (inner diameter 12*10) * Three layers 12 threads /200 pieces

6*17.5 (inner diameter 6*12) * Three layers 12 threads /200 pieces

7*17.5 (inner diameter 7*12) * Three layers 12 threads /200 pieces

8*17.5 (inner diameter 8*12) * Three layers 12 threads /200 pieces

9*17.5 (inner diameter 9*12) * Three layers 12 threads /200 pieces

10*17.5 (inner diameter 10*12) * Three layers 12 threads /200 pieces

11*17.5 (inner diameter 11*12) * Three layers 12 threads /200 pieces

12*17.5 (inner diameter 12*12) * Three layers 12 threads /200 pieces

13*17.5 (inner diameter 13*12) * Three layers 12 microns /200 pieces

5*20 (inner diameter 5*14) * Three layers 12 microns /200 pieces

6*20 (inner diameter 6*14) * Three layers 12 microns /200 pieces

7*20 (inner diameter 7*14) * Three layers 12 microns /200 pieces

8*20 (inner diameter 8*14) * Three layers 12 microns /200 pieces

9*20 (inner diameter 9*14) * Three layers 12 microns /200 pieces

10*20 (inner diameter 10*14) * Three layers 12 microns /200 pieces

11*20 (inner diameter 11*14) * Three layers 12 microns /200 pieces

12*20 (inner diameter 12*14) * Three layers 12 threads /200 pieces

13*20 (inner diameter 13*14) * Three layers 12 microns /200 pieces

14*20 (inner diameter 14*14) * Three layers 12 microns /200 pieces

6*22 (inner diameter 6*16) * 3 layers 12 microns /200 pieces

7*22 (inner diameter 7*16) * Three layers 12 microns /200 pieces

8*22 (inner diameter 8*16) * Three layers 12 microns /200 pieces

9*22 (inner diameter 9*16) * Three layers 12 microns /200 pieces

10*22 (inner diameter 10*16) * Three layers 12 microns /200 pieces

11*22 (inner diameter 11*16) * Three layers 12 microns /200 pieces

12*22 (inner diameter 12*16) * Three layers 12 threads /200 pieces

6*24 (inner diameter 6*18) * Three layers 12 microns /200 pieces

7*24 (inner diameter 7*18) * Three layers 12 microns /200 pieces

8*24 (inner diameter 8*18) * Three layers 12 microns /200 pieces

9*24 (inner diameter 9*18) * Three layers 12 microns /200 pieces

10*24 (inner diameter 10*18) * Three layers 12 microns /200 pieces

11*24 (inner diameter 11*18) * Three layers 12 microns /200 pieces

12*24 (inner diameter 12*18) * Three layers 12 threads /200 pieces

13*24 (inner diameter 13*18) * Three layers 12 microns /200 pieces

4*27 (inner diameter 4*20) * Three layers 12 microns /200 pieces

5*27 (inner diameter 5*20) * Three layers 12 microns /200 pieces

6*27 (inner diameter 6*20) * Three layers 12 microns /200 pieces

7*27 (inner diameter 7*20) * Three layers 12 microns /200 pieces

8*27 (inner diameter 8*20) * Three layers 12 microns /200 pieces

9*27 (inner diameter 9*20) * Three layers 12 microns /200 pieces

10*27 (inner diameter 10*20) * Three layers 12 microns /200 pieces

3*30 (inner diameter 3*23) *3 layers 12 microns /200 pieces

4*30 (inner diameter 4*23) * Three layers 12 microns /200 pieces

5*30 (inner diameter 5*23) * Three layers 12 microns /200 pieces

6*30 (inner diameter 6*23) *3 layers 12 microns /200 pieces

7*30 (inner diameter 7*23) * Three layers 12 microns /200 pieces

8*30 (inner diameter 8*23) * Three layers 12 microns /200 pieces

9*30 (inner diameter 9*23) * Three layers 12 microns /200 pieces

10*30 (inner diameter 10*23) * Three layers 12 microns /200 pieces

11*30 (inner diameter 11*23) * Three layers 12 microns /200 pieces

12*30 (inner diameter 12*23) * Three layers 12 threads /200 pieces
6*14(inner diameter 6*8.5) environmental protection label
8*14(inner diameter 8*8.5) environmental protection label