I Like That Lamp Wire Lamp Shade Rings with US Style Spider Fitter (18” Diameter), Includes 2 Galvanized Steel Silver Drum Rings, Make DIY Table/Floor/Pendant Lamps, For Lamps With Harps : Amazon.ca:
Winston Porter 12" H x 18" W Linen Empire Lamp Shade ( Uno ) in Black - Wayfair Canada
MCM Vintage Large 18” Diameter Drum Lamp Shade | eBay
Large Antique Lamp Shade Approx. 18 Diameter at Base 24 - Etsy Canada
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FenchelShades.com 18" Top Diameter x 18" Bottom Diameter 12" Height Cylinder Drum Lampshade USA Made (Linen Cedar), Lampshades - Amazon Canada
FenchelShades.com 18 in. Top Diameter x 18 in. Bottom Diameter x 12 in. H Burlap Natural Drum Lamp Shade 18-18-12-W-B-NAT - The Home Depot
18" Flush Drum Ceiling Light Ivory Brass Finial | Lighting Company UK
KIANDRA Cream Satin Table Lamp Shade 18 x 25cm | Lighting and Lights UK
MCM Vintage Large 18” Diameter Drum Lamp Shade | eBay
FenchelShades.com Fenchel Shades 18 in. Top Diameter x 19 in. Bottom Diameter x 12.5 in. Slant, Empire Lamp Shade - Linen White 18-19-12.5-W-L-WHI-RE - The Home Depot