Castle Air Filters 20x20x1 One Year HVAC Filter
The Castle air filter is a new innovative HVAC filter that will last up to a year. This new filter will collect as much dust as 20 regular pleated filters. High air-flow with an op...
Product Specifications
The Castle air filter is a new innovative HVAC filter that will last up to a year. This new filter will collect as much dust as 20 regular pleated filters. High air-flow with an open-cell, triple-layer core with a tacky media for collecting dust...
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