Paper liners liners as not all will survive

as not all will survive to nest and it takes a full set to ensure that you get a good colony going

A clean and healthy colony is the goal

There’s a routered keyhole groove in the back for easy installation

Classic peaked roof design

Most of our customers successfully raise Mason bees

Paper liners liners as not all will surviveThe replaceable 0. 010 thick white Paper inner liner will reduce mite and fungal infestations in the Cardboard guard tubes. The Cardboard guard tubes are reusable but used Paper liners should be replaced every year. Paper liners are inserts and should not be used by themselves. A clean and healthy colony is the goal.