4940-39 | 4" Metal Frame 16x20x4 | Nu-Calgon

[sku]: 4940-39 This 4" metal frame air filter is a durable and economical option for a variety of applications, including commercial and industrial. The 16x20x4-inch size makes it a perfect fit for many standard-sized HVAC systems. The metal frame construction provides strength and durability, while the polyester media ensures efficient filtration of airborne particles. The filter is easy to install and maintain, making it a great choice for busy professionals. Our HVAC supply store is your one-stop source for all your air filter needs! We offer the best prices and fast shipping for your products!