Compact Quantitative Weighing and Timed Filling Machine Edible Oil, Milk, Laundry Detergent Small-Scale Weighing and Timed Portioning Machine
2L Filling Machine (Food Grade)
Filling Speed: Approx. 2L/min
Pump Type: Diaphragm Pump
Voltage/Power: 110-220V/15W
Tube Material: Food-Grade Silicone Tubing
Tube Specification: 8mm x 11mm
Discharge Port: 10mm/6mm Adapter
Weighing Platform: 110*140mm
Weighing Range: 5KG scale/Accuracy 1g
Filling Accuracy: 0-2g
Package Dimensions: 39*18*15cm
Package Weight: 2.1KG
Features: Pump material: PE + food-grade rubber. Suitable for various industries to fill watery liquids. Slows down with viscous liquids. Not suitable for pumping particles.

3.5L Filling Machine (Diaphragm Pump)
Filling Speed:
Approx. 3.5L/min
Pump Type: Diaphragm Pump
Voltage/Power: 110-220V/25W
Tube Material: Food-grade silicone tubing
Tube Specification: 8mm x 11mm
Discharge Port: 10mm/6mm adapter
Weighing Platform: 110*140mm
Weighing Capacity: 5KG scale/ Accuracy: 1 gram
Filling Accuracy: 0-2 grams
Package Dimensions: 39*18*15cm
Package Weight: 2.3KG
Features: This pump is made of modified nylon + rubber (non-food grade). Suitable for watery liquids; performance slows with viscous liquids. Cannot handle solids or particles.

4.5L Filling Machine (Diaphragm Pump)
Filling Speed: Approx. 4.5L/min
Pump Type: Diaphragm Pump
Voltage/Power: 110-220V/30W
Tube Material: Food-Grade Silicone Tubing
Tube Specification: 8mm x 11mm
Discharge Port: 10mm/6mm Adapter
Scale Platform: 140*190mm
Weighing Capacity: 5KG Scale/Accuracy 1g
Package Dimensions: 40*20*16cm
Package Weight: 2.9KG
Features: This pump is made of modified nylon + rubber (non-food grade). Suitable for watery liquids; performance slows with viscous liquids. Cannot handle solids or particles.
This scissors design seems non-compliant.
What about the weight of these three?
The top part is unclear.
3/4/5.5