Bell-horn's Exclusive Prostyle Knee Supports Are Designed To Give You The Comfort Of An Elastic Support With The Therapeutic Properties Of Heat  Without The Perspiration Associated With Neoprene * Provides A Warming Support For Arthritis * Recommended For Treatment Of: Arthritis  Quad Weakness  Knee Contusions  Joint Effusions  Knee Sprains And Strains As Well As Meniscal Tears * Hcpcs Suggested Codes: A4466