New screw-in filter holder for Olympus 7-14mm f2.8 PRO – 43 Rumors
Panasonic Lumix 7-14mm f4 filter holder (WEWC4FE7Q) by HelgeSuess
Home-made filter system for Panasonic 7-14 that works at 7mm (pix): Micro Four Thirds Talk Forum: Digital Photography Review
Amazon.com : WonderPana Absolute 145mm Filter Holder Compatible with Panasonic Lumix G Vario 7-14mm f/4.0 Aspherical Micro Four Thirds Mount Lens and Cokin X-Pro, LEE SW-150 Filter Holders : Electronics
COMPLETED - For Sale: Panasonic 7-14mm/F4.0 with rear filter modification | Location: USA | Ships: USA | Mu-43
FotodioX WonderPana 145 Core Unit WNDPN145-ESNTLCP-PN714 B&H
Attaching a filter to Panasonic 7-14 - Photography Gear and Technique - Wetpixel :: Underwater Photography Forums
7-14mm 2.8 pro - Why isn't there a simple filter holder like this?: Olympus SLR Talk Forum: Digital Photography Review