Replacement Caster Wheels for HealthyAir Source Capture Systems.

These Caster Wheels are compatible with the following units:

• HealthyAir^® Source Capture Air Purification System: HA-SCP-G6
• HealthyAir^® Source Capture Air Purification System: HA-SCP-G5
• HealthyAir^® Source Capture Air Purification System: HA-SCP-G4
• HealthyAir^® Source Capture Fume Extractor: HA-SSC-G4
• HealthyAir^® Source Capture Fume Extractor: HA-SSC-G3
  
• HealthyAir^® Portable Air Purification System: HA-PAP-G2