Order as a separate lid, and this will come with your order, not installed.
Works with our oil fill adapter can tools.
 
Be sure to add a port fitting of your choice to the order.
 
For PCV fitting tops, this cannot be used.  Must use recirculating top conversion.
Can be used as a drain base with our -10 high flow drain valve from the port fitting section.
 
It is useful for extreme fumes control, emergency overflow control, or visual inspection aid.

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