excluder

The excluder prevented unauthorized access to the building.

The excluder on the door kept the pests out of the house.

The excluder in the filter system removed impurities from the water.

The excluder in the car's engine prevented dirt from entering sensitive components.

She used an excluder to block out distractions while studying.

The excluder in the software helped filter out spam emails.

The excluder in the air conditioning system blocked out allergens from circulating indoors.

The excluder at the entrance ensured only authorized personnel could enter the restricted area.

The excluder on the window kept insects from entering the room.

The excluder on the fence prevented animals from getting into the garden.