4 Royalty-Free Audio Tracks for "Air Suction"

Recorded with zoom h4n. Door opening and closing to outside. Suction/air tight motion.

A pvc slide whistle with a gentle pop at the end. Air suction.

Vacuum cleaner turning on and off.

The sound caught my attention and i thought others might find it useful. The sound comes from a small cardboard box with a glossy exterior being removed from a slightly bigger cardboard box causing the little pop at the end.