Check online pricing here:
Ryobi 40 Volt 125 MPH 550 CFM Model # RY40470VNM: https://homedepot.sjv.io/0rj3O
Ryobi 18 Volt 110 MPH 410 CFM Model # P21100VNM: https://homedepot.sjv.io/Nd0Vq

In this video, John compares the 18 volt Ryobi Whisper Series leaf blower to the Ryobi 40 volt Whisper Series leaf blower.

RYOBI redefines cordless handheld blowers with the 40-Volt Lithium-Ion Brushless Jet Fan Blower. The intelligent brushless motor delivers maximum power for increased power and added performance. This Whisper Series blower is one of the industry's quietest handheld blower at only 59 dB while giving you the Gas-Like Power you need. This quiet blower also features a turbo button and variable speed trigger that allows you to customize the output of air. The jet fan design increases airflow by delivering an impressive 550 CFM of clearing power to easily blow through heavier leaves and debris. This blower and the included 4 Ah battery are compatible with the RYOBI 40-Volt system of tools, batteries, and chargers. The RYOBI 40-Volt Lithium-Ion Brushless Jet Fan Blower is backed by a 5-year warranty.

The RYOBI 18V ONE+ Lithium-Ion Brushless Blower redefines the 18-Volt category by delivering the power and performance you need, with a lightweight design, making operation comfortable for every user. The intelligent brushless motor delivers maximum power for added performance. This Whisper Series blower is the industry's quietest handheld blower at only 54 dB, giving you all the power without the noise. This quiet blower also features a turbo button and variable speed trigger that allows you to control the output of air. The jet fan design increases airflow by delivering an impressive 410 CFM of clearing power, allowing you to complete your yard cleanup faster. This blower and the included 4 Ah battery are compatible with the RYOBI 18-Volt system of tools, batteries and chargers. The RYOBI 18-Volt Lithium-Ion Brushless Jet Fan Blower is backed by a 3-year warranty.

http://www.weekendhandyman.com