Out of stock
Enhance precision and maximize efficiency in your lawn and garden spraying with the PetraTools HD4000 Flow Control Knob
Enhance your lawn and garden spraying experience with the PetraTools HD4000 Flow Control Knob.
Effortlessly adjust and optimize the flow of liquids with precision and efficiency, ensuring consistent coverage and maximizing the potential of your battery-powered sprayer.
Become a member of our gold club and get extra features along with an order and more.
Learn moreOur customer success team can be reached at 1-800-613-6889 7 days a week.
Monday-Friday: 8AM-12MN EST
Saturday: 7AM-3PM EST
Sunday: 9 AM-5 PM EST, or reach out at support@petratools.com
By calling or texting this number, you agree to receive follow-up text messages and calls. If you no longer wish to receive text messages or calls, you may opt out at any time by replying "STOP"
Get 2-3 day standard delivery on all orders and free shipping for orders of $49+
We are located in central Pennsylvania.
PetraTools sprayers are available for free returns for 30 days post-purchase. All other chemicals and solutions are not eligible for returns or exchanges at this time. Please contact Customer Service if you have received a damaged product so we can replace it for you.
Otherwise, we ask that you be kind to our planet and share any unwanted orders with a neighbor or friend.
We use cookies to improve your experience. By using this website you agree to our Cookie Policy.