Cardioid Polar Pattern

They fit right into the flutes to make a rigid sign which can easily be placed in the ground

Postmaster General approved and comes complete with an aluminum flag and steel latch for convenient operation

Each 40" long

Dirt devil FlipOut 16-Volt Lithium-Powered Cordless Handheld Vacuum Cleaner Cardioid Polar PatternDirt devil FlipOut 16 Volt Lithium Powered Cordless Handheld Vacuum Cleaner 4 Position Folding Handle For easy cleaning and storage Powerful suction Easily cut through any mess with confidence Features a rinsable filter for minimal maintenance Forceful, lightweight and quiet. Vacuum stairs and hard to reach places. Forceful, lightweight and quiet. Vacuum stairs and hard to reach places. Holds 6 quarts of dirt. Four stage filtration includes primary