30x36x1 Air Filters

30x36x1 is a common Geothermal unit air filter size. We offer easy access to a full selection of MERV ratings at a competitive price without the long wait. MERV 8 is a great choice for those that just need good system protection and capturing of common allergens. MERV 11 is best for those with moderate or seasonal allergies. MERV 13 is the best choice for those with the greatest sensitivities to allergens such as those that may suffer from asthma, COPD, or chronic bronchitis. Order today and we’ll have your filters made and shipped to you for free as quickly as possible!