Vello Bounce Dome Diffuser for Canon 430EX, 430EX II & BD-C430II
Softbox for Canon Speedlite 430EX/EX II, small - Traumflieger
Flash Diffuser for Canon Speedlite 430 EX II by FatGeekyMan - Thingiverse
NEEWER Pro Universal Collapsible Square Studio Softbox Flash Diffuser Compatible with Canon 430EX II 580EX II Neewer TT560 Youngnuo Sony Olympus Panasonic Lumix Flashes : Amazon.com.au: Electronics
Flashpoint FAFD40 Flash Diffuser for Canon Speedlight 430EX II FAFD40
ProMaster Flash Diffuser For Canon 430EX-III RT | Camera House