The chemical abnormalities relate to the type of stones that form in the kidneys. These four types of stones and the chemical abnormalities that cause them are: Calcium Stones: people who form this type of stone either have too much of one type of three chemicals in their urine, or not enough of another.
Therefore, we recommend replacing your refrigerator's water filter typically every six months or when the gallon capacity is reached. We offer compatible replacements for Whirlpool refrigerator water filters, Kenmore, Frigidaire, Samsung, LG, Maytag and other popular refrigerator brand water filters.
At Millerâs we offer MERV 8, 10, 11, and 16 filters, and we can special order any other rating of filter on the market. Furnace Filters Replacement. Recommended furnace filters replacement is as follows: MERV 8 every 3-4 months, MERV 10 and 11 every 6 months, MERV 16 every year. If you have pets it is recommended that you check your filter monthly because having pets tends to send more particulates into the air.