B&P Lamp 9.5 Inch Fabric Lampshade Diffuser : Tools & Home Improvement - Amazon.com
Ceiling Lamp Shade Diffuser Various Sizes for Small Lampshades and Large Lampshades - Etsy
13.5" Round Diffuser Translucent frosted White (will Soften Light from Drum Lampshades and Pendants) - Amazon.com
KastLite Round Lampshade Diffuser | Flat Circular Disk for Softening Light | Pure White Acrylic, 17" Diameter with 3/8" Center Hole | for Drum-Style Lampshades & Pendants | Fits 17.5-19" Openings - Amazon.com
Uxcell Lampshade Diffuser, 9.5" Diameter with 3/8" Center Hole Round Diffuser Fits 10-12" Openings, Frosted White - Walmart.com
A lampshade diffuser to soften glare from IKEA shade - IKEA Hackers
White Acrylic Light Diffuser | Lamp Shade Pro
A lampshade diffuser to soften glare from IKEA shade - IKEA Hackers