18x30x1 (17_3/4x29_3/4) Pure Green Plus Carbon Eco-Friendly Air Filters 3 Pack

Nominal Size: 18 x 30 x 1, Actual Size: 17 3/4 x 29 3/4 x 3/4 (17.75 x 29.75 x 0.75) Pure Green is 100% synthetic white media and can be made out of recycled products Activated Carbon layer reduces odors in your home or office Ideal for customers looking to lessen their impact on the environment Pure Green is 100% synthetic white media and can be made out of recycled products