Flo Modular Triple Monitor Arm By Colebrook Bosson SaundersFlo modular triple monitor arm by Colebrook Bosson Saunders. The Flo modular range is the most flexible monitor arm solution on the market, by using the wishbone post you can easily create a suitable setup for use with 1,2,3,4 or 6 screens. So let's take a look at what you're ordering today. Below is all you require to create a Flo modular triple monitor arm. (suitable for 22" monitors) 2 x Flo Modular Full Arm (includes post mount component). 1 x