Please note that we are currently out of stock on our TPIS-1 Tri-Pro Injector Series for Pest Control Applications. We are currently taking back orders for this item. This product will be back in-stock in about a week, at which time we will start filling all back orders placed for this item in the order that they were received. We know that you have many choices for suppliers for all of your pest control needs. We would like to take this time to personally Thank You for choosing Tri-Con products for your spraying needs and to apologize for any delays or inconvenience that this may cause you.