Small Vent
- 35mm thread width
- Fits to 35-38mm circular hole
- Recommend 35mm/1 3/8" hole saw for ideal fit

Large Vent
- 48mm thread width
- Fits to 48-57mm circular hole
- Recommend 51mm/1 2" hole saw for ideal fit

Durable, clean cut, and assembled by hand.
304 Stainless steel 200 Mesh filter (keeps all isopod and springtail friends in, and unwanted visitors out!)
Mesh is securely installed, able to withstand light handling pressure without popping out.
Quality controlled from start to finish.
Custom designed and manufactured by a local supported small business here in the USA!