Cen-Tec Systems 37737 12" Combination Hard Floor and Carpet Vacuum Nozzle The 12 37737 is designed for silent movement on hard floor with a wrap around nylon brush and low noise wheel. The brush is retracted using and on the tool rocker switch and then is suitable for all carpeted surfaces. The 1  neck of the tool double pivots to follow you through the vacuuming motion keeping the face of the tool at the ideal angle to insure cleaning performance. The stainless base plate has deep channels to the tool edge to insure excellent edge cleaning and maximum air flow for capturing debris. Two lint strips in front of and behind an oversized channel capture lint and fibers from the carpets surface and help direct them into the air stream. The brush is supported with a stamped steel back plate to insure uniform support for the brush when on hard floor surfaces and protecting the base of the tool from damaging sensitive surfaces. The oversized pedal is easily operated with the foot to ease transitions from carpet to hard floor making the 37737 ideal for todays home with a mix of floor surfaces. Compatible with all canister vacuums, central vacuums, and commercial back pack vacuums using 1.25 accessories