Quick view Chemilizer Clearance Sale ~ Chemilizer Twist Air Vent Assembly MSRP: Ft4 633 Ft2 552 Clearance Sale: NOS (New Old Stock) Brand New Never Used. Compare to new models with a price of $10.80 each. This is a good deal. Free Shipping!!! Chemilizer Twist Air Vent... MSRP: Ft4 633 Ft2 552 Add to Cart The item has been added Add to Wish list