Ekena Millwork Lifetime Vinyl LL1S12X03900BL Standard Cathedral Top Center Mullion, Open Louver Vinyl Shutters, w/Installation Shutter-Lok's & Matching Screws (Per Pair), 12"W x 39"H, Black : Amazon.co.uk: DIY & Tools
Mid-America Louvered Shutters - Center Mullion & Cathedral Top
Combination Exterior House Shutters Built with Louvers & Flat or Raised Panels