Replacement 3mm Perspex® Viewing Screen for MasonBees.co.uk Observation Drawers. 
 
Choose from two screen sizes when ordering:
128x190mm: To fit current Bee Lodge, Bee Unit and Observation Drawer products.  Most customers should select this option. 
105x180mm: To fit our original Lodge drawer design only. Select this option if your Lodge was purchased before 2019.
 
Screens available to purchase as a Single item or a Pack of 3.