Frame with mesh

Acrylic frame with anti-drosophila mesh to convert exoterra tank tops. these frames have two sizes:
 
  
30x7cm (length x width): for exoterra tanks with 30x30cm top
  
45x22cm (length x width): for exoterra tanks with 45x45cm top installed at length or for 60x45cm/90x45cm tops installed at width
 
These frames let the tank have passive ventilation ideal for humid tanks.