Items that dropship from the manufacturer have varying handling lead times. Here are the most current lead times. Please be aware that if an item is required to ship freight, this will add more time because the freight company will need to contact you to schedule a delivery.
Kasco: 1-2 business days
Airmax: 4-5 business days
Atlantic: Oase 3-5 business days
Aquascape: 3-4 business days
EasyPro: 3-5 business days - To have your order shipped same day, see here.
Scott Aerator: 3-5 business days