Filters-NOW.com for non-mobile users.

Air Filters-NOW.com mobile access

• 17.5x21x4.5 (17.25x20.75x4.38) MERV 8 Ruud Replacement Filter
  
  
• 17.5x21x4.5 (17.25x20.75x4.38) MERV 11 Ruud Replacement Filter
  
  
• 17.5x21x4.5 (17.25x20.75x4.38) MERV 13 Ruud Replacement Filter
  
  
• 17.5x21x4.5 (17.25x20.75x4.38) Carbon Ruud Replacement Filter
  
  
• 21x21x4.5 (20.75x20.75x4.38) MERV 8 Ruud Replacement Filter
  
  
• 21x21x4.5 (20.75x20.75x4.38) MERV 11 Ruud Replacement Filter
  
  
• 21x21x4.5 (20.75x20.75x4.38) MERV 13 Ruud Replacement Filter
  
  
• 21x21x4.5 (20.75x20.75x4.38) Carbon Ruud Replacement Filter
  
  
• 21x24x4.5 (20.75x24.25x4.38) MERV 8 Ruud Replacement Filter
  
  
• 21x24x4.5 (20.75x24.25x4.38) MERV 11 Ruud Replacement Filter
  
  
• 21x24x4.5 (20.75x24.25x4.38) MERV 13 Ruud Replacement Filter
  
  
• 21x24x4.5 (20.75x24.25x4.38) Carbon Ruud Replacement Filter
  
  

Send us an email
or call toll-free:
(877) 991-0400

Go Back