Blackburn's Airtower floor pumps feature a new pump head and increased durability for 2014.
The Airtower line includes five models: the Airtower 1, 2, 3 and 4, and the Airtower Shop Pump.
The Airtower 4 Floor Pump (MSRP: $59.99) is all-new for 2014. It has stamped steel base, a magnetic pump head mount, redesigned "Anyvalve" head and 200-psi capability.
The Airtwoer 3 ($49.95) has an extra large 3-inch gauge built into its steel base. It's rated to 160 psi and also includes the Anyvalve pump head.
The Airtower 2 ($39.99) uses a steel barrel and a fiberglassreinforced nylon base with a 3-inch pressure gauge.
Source:
http://www.bicycleretailer.com/new-products/2013/09/24/blackburn-airtower-floor-pumps-feature-new-head-and-increased-durability
