Plastic utility funnels are inexpensive, lightweight and designed for general use. They are made of polypropylene and high density polyethylene depending on the size. 
The 162mm size (412334-0005) has a very large throat opening.
212195 Set contains 1 each of funnels oz: 4, 8, 16, 32, 64
    
        
            | 412334  | 
            -0001 | 
            -0002 | 
            -0003 | 
            -0004 | 
            -0005 | 
            -0006 | 
        
        
            | Material  | 
            PP | 
            PP | 
            PP | 
            HDPE | 
            HDPE | 
            HDPE | 
        
        
            | Holding capacity oz | 
            2 | 
            4 | 
            8 | 
            16 | 
            32 | 
            64 | 
        
        
            | Top Diameter mm | 
            70 | 
            89 | 
            108 | 
            127 | 
            162 | 
            203 | 
        
        
            | Height mm | 
            70 | 
            102 | 
            121 | 
            146 | 
            178 | 
            203 | 
        
        
            | Stem Height mm | 
            20 | 
            23 | 
            38 | 
            47 | 
            70 | 
            47 | 
        
        
            | Stem Diameter mm | 
            10 | 
            10 | 
            11 | 
            13 | 
            25 | 
            20 | 
        
        
            | Case Quantity | 
            36 | 
            36 | 
            24 | 
            24 | 
            12 | 
            12 |