Closed-Top Filter XMF 50 BF, BU50, MSG50B, RFILA20050 l, Magnum BU 50 (Replaces 25) filters for Bullfrog and other Spa Industries built Spas. Also replaces Wellspring 10-2870 filters. 200mm wide x 150mm high. These use the high-quality Reemay or Darlly filtration material and are not cheap, poor-quality filters.

• Physically kept in stock, unlike many "Drop-shipping" websites.
• Shipped Fast
• Pick-Up Available 
  

Notes:

• Some versions of these filters came with a short threaded spigot. These did not fit all versions of the Bullfrog spas. Our version fits all older versions.
  
• Do not over-tighten. In some cases, the thread can be trimmed back if necessary. Over-tightening filters can cause the spa filter fitting to crack.

Dimensions:

• Height: 146-150mm
• Width: 200-205mm
• Thread OD: 58mm OD / 50mm ID Thread ID: 50mm
• Thread Squares 5mm apart
• Replaces RFILA20050, RFILA20025, AFILK2525T, RFILA2025B on Signature, Aquazone, Cadillac pre-2019, Bullfrog and others.

Other Versions Of This Filter (Interchangeable):

• Standard Closed-Top
• Microban® Closed-Top
• Standard N2 Open-Top
• Microban® N2 Open-Top

These are not cheap, poor quality filters found elsewhere. They are OEM quality using USA made Reemay or Darlly filter material. 

Filters should be replaced 1-2 years.

FC-FCD150, mbu50, MSG50B, XMF50BF, BU50