Check the listing for details. Hydro Flow 3 GPH Push-In Flag Emitter, Red. Color: Red, Condition: New. Listed at 5.99 USD. Hydro Flow 3 GPH Push-In Flag Emitter, Red Features The flag emitters are wasilt inserted into your main feed line to add a feed line to your plantThe flags are removable and separableIt is easy to allow for cleaningIt also works with 3/16 in id poly tubing Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out within 1-business day and delivered to your doorstep as quickly as possible. Competitive Pricing With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you're getting a good deal when purchasing with us. 30-day Money Back Guarantee We are committed to making sure that you leave this transaction satisfied. If you're unhappy with the product for any reason, you may return it back for your money-back or a replacement within 30 days. No questions asked!