| Pneumatic Push-In Fitting, 3121 10 21, LF 3000 Series, Straight, External thread BSPT (R), 1/2 Thread, 10 mm Tube OD | 3121 10 21 | 10 | 10 | | €8.22/piece |
| Pneumatic Push-In Fitting, 3121 10 13, LF 3000 Series, Straight, External thread BSPT (R), 1/4 Thread, 10 mm Tube OD | 3121 10 13 | 10 | 10 | | €6.65/piece |
| Pneumatic Push-In Fitting, 3121 08 10, LF 3000 Series, Straight, External thread BSPT (R), 1/8 Thread, 8 mm Tube OD | 3121 08 10 | 8 | 8 | | €6.24/piece |
| Pneumatic Push-In Fitting, 3121 04 13, LF 3000 Series, Straight, External thread BSPT (R), 1/4 Thread, 4 mm Tube OD | 3121 04 13 | 4 | 4 | | €5.51/piece |
| Pneumatic Push-In Fitting, 3121 12 21, LF 3000 Series, Straight, External thread BSPT (R), 1/2 Thread, 12 mm Tube OD | 3121 12 21 | 12 | 12 | | €9.41/piece |