The versa 4 shot lid most standard 3.5 and 5 gallon buckets. So wether you have yourself a versa5G DWC   Or a homemade dwc bucket these lids will fit vertually sll standard buckets. Lids come custom drilled snd with 4 3” net pots and a versa quick connect port. And like everything we build your satisfaction is gauranteed with a 30 day any reason return policy.   - this is lid only - lid includes 4 3” net pots, quick connect including air line under the lid for                 air stone connection