Choosing the Right ECO Funnel
We make ECO Funnels to fit many common laboratory waste containers, from glass solvent bottles to drums to Nalgene® plastic carboys. Use the guide below to choose which ECO Funnel® you need for your waste container.
This chart shows our most popular models and the containers they fit. However, we have many other options for less common waste containers which can be seen below in the visual charts. Please contact us with questions and customization requests.
Model # | Description | Closure Style | Fit ECO Container model(s): |
EF-4-38 | 4" ECO Funnel with 38-430 cap adapter | 38-430 | EC-2004, EC-38GL, EC-38GLSC |
EF-4-53B | 4" ECO Funnel with 53 mm cap adapter (53B) | 53mm (53B) | EC-2008 |
EF-8-JUSTRITE-B | 8" ECO Funnel for Justrite™ Poly Safety Cans | Justrite® 3-5/8" | EC-1275120, EC-1275450 |
EF-4717-1C | 8" ECO Funnel with 2" coarse thread cap adapter | 2" Buttress | (any 2" buttress drum) |
EF-4716-1P | 8" ECO Funnel with 2" NPT fine thread cap for Drums | 2" NPT | (and 2" NPT drum) |
EF-3004C | 8" ECO Funnel with 38-430 cap adapter | 38-430 | EC-2004, EC-38GL, EC-38GLSC |
EF-3008 | 8" ECO Funnel with 53 mm cap adapter | 53mm (53B) | EC-2008 |
EF-30020 | 8" ECO Funnel with 70 mm cap adapter | 70mm (Nalgene®) | EC-20020 |
EF-8-FS70 | 8" ECO Funnel with 70 mm cap adapter (FS70) | 70mm (FS70) | EC-20020DRN, EC-20020DRB |
EF-8-83B | 8" ECO Funnel with 83 mm cap adapter (83B) | 83mm (83B) | EC-20010 |
This table shows the most common waste containers that we make funnels for. The top row shows a close-up of the cap or closure and the second row is a full view of the container. The last row indicates which model of ECO Funnel you need to fit the container, 4" on top and 8" on the bottom.
If you Have: This closure type |
![]() 38mm |
![]() Nalgene 53B |
![]() 63mm lowboy |
![]() Nalgene 83B |
![]() Nalgene 100mm |
On this container | ![]() |
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You Need: 4 inch 8 inch |
EF-4-38 EF-3004C |
EF-4-53B EF-3008 |
EF-4-63B N/A |
EF-4-83B EF-8-83B |
EF-4-3009 EF-3009 |
If you Have: This closure type |
![]() 2" buttress (coarse thread) |
![]() 2" NPT (fine thread) |
![]() Justrite Poly Safety Can 3.65" |
![]() Rieke 70mm FS70/FS80 (8TPI) |
![]() Nalgene 70mm |
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You Need: 4 inch 8 inch |
N/A EF-4717-1C |
N/A EF-4716-1P |
EF-4-Justrite-B EF-8-Justrite-B |
EF-4-FS70 EF-8-FS70 |
EF-4-30020 EF-30020 |
Don't see the right screw cap? We customize! Call (888) 322-5722 to ask about custom welding ECO Funnel to your preferred caps.