A: Hello. The higher the MPR number, the more filtration that filter will offer. If you have any additional questions or concerns, please connect with us directly at 1-800-388-3458 M-F 8am-4:30pm CT.
A: Hello - thank you for asking. These filters are designed for use up to 3 months.
A: Hello. Due to the technical nature of your question, please contact our team directly at 1-800-388-3458 M-F 8am-5pm CT so we can better assist you. Thank you.
A: Thank you for asking. This filter is a MERV 11.
A: This package contains two of the 14x30x1 inch filters.