Evenflo Sonus Convertible Car SeatKeep your growing child safe and comfortable in Evenflo's Sonus convertible car seat. With a rear facing weight rating up to 40 pounds and a forward facing weight rating up to 50 pounds. your child can remain harnessed longer. For added comfort, this seat offers a built in ventilation system that provides a comfortable seat for your child through all seasons. Try this seat for a top notch extended use option at an affordable price. At Evenflo, we