Chained knob for house humidifier

Knob with a chain attached eliminates the need to climb a ladder to adjust the humidity level.
3 piece assembly (comes fully assembled).
Direct replacement for the standard humidifier knob.
No modifications to the equipment, tools or fasteners required, just pull the exiting knob out by hand and push the new onto the shaft.
Durable ABS plastic, stainless steel screws.
Designed and manufactured in the USA.