Different manufacturers can have the exact same part number. Make sure to check your part links to one of our models! Please contact us if you need help.
Aprilaire: 220 224 440 110 112
This part may fit other models. Please contact us if you require additional assistance.
O ring for bull
4006, APRIL4006, APR4006, APR4006TEMP, TRNAPR4006, 4006TEMP, IL4006, APRIL4006TEMP