Look at this beauty. One side covered to protect the filter, and to be honest it also looks very cool too:)

Price per piece

• Color/Finish: Chrome
• Material: Stainless Mesh
• Style: Clamp-On
• Filter Media Material Paper
• Filter Height: 87,30 Mm (3,44")
• Mounting Flange/Inside Diameter: 45,00 Mm (1,77")
• Filter Shape: Round
• Use included stainless steel clamp for secure attachment
• Quality high-flow paper elements with chrome end caps