Frost King’s heat and air deflectors make the distribution of air throughout your home more efficient; making your house more comfortable in any season. During winter, the curved air deflector directs warm air down for improved heating. In summer, point the vents up to direct the air conditioning towards the ceiling for improved cooling. No. HD9: Register Size: 10 In. – 16 In., Material: Heavy Duty Plastic, Color: Clear, Pkg Qty: 1, Package Type: Box
