| Push Button Knob (Push Button Lower Piece), All Volumes - Older Version (Labnet) | LN SP19349 | $19.10 | | Show details |
| Alphapette / Ultra EZpette / XL3000i Push Button, Single Channel, Older Style, 2μL (Labnet) | LN SP19360 | $21.90 | | Show details |
| Alphapette / Ultra EZpette / XL3000i Push Button, Older Style, 10μL (Labnet) | LN SP19361 | $21.90 | | Show details |
| Alphapette / Ultra EZpette / XL3000i Push Button, Single Channel, Older Style, 20μL (Labnet) | LN SP19362 | $21.90 | | Show details |
| Alphapette / Ultra EZpette / XL3000i Push Button, Single Channel, Older Style, 100μL (Labnet) | LN SP19363 | $21.90 | | Show details |
| Alphapette / Ultra EZpette / XL3000i Push Button, Single & Multichannel, Older Style, 200μL (Labnet) | LN SP19364 | $21.90 | | Show details |
| Alphapette / Ultra EZpette / XL3000i Push Button, Single Channel, Older Style, 1000μL (Labnet) | LN SP19365 | $21.30 | | Show details |
| Labnet Push Button, Single Channel, Older Style, 5mL / 5000μL (Labnet) | LN SP19366 | $21.90 | | Show details |
| Labnet Push Button, Single Channel, Older Style, 10mL (Labnet) | LN SP19367 | $21.90 | | Show details |