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Multi-insect trigger spray bottle with STEM insect-killing front label
STEM insect-killing spray graphic with ants, roaches, and flies icons
Multi-insect bug spray for indoor and outdoor use on home and patio scene
Botanical extract insect spray bottle held in hand with trigger nozzle
Multi-insect trigger spray bottle with how-to use steps and icons
Insect spray bottle back label with STEM features and barcode
Multi-insect trigger spray bottle with STEM front label and safety seal
Multi-insect trigger spray bottle with STEM insect-killing front label
STEM insect-killing spray graphic with ants, roaches, and flies icons
Multi-insect bug spray for indoor and outdoor use on home and patio scene
Botanical extract insect spray bottle held in hand with trigger nozzle
Multi-insect trigger spray bottle with how-to use steps and icons
Insect spray bottle back label with STEM features and barcode
Multi-insect trigger spray bottle with STEM front label and safety seal

STEM Kills Indoor/Outdoor Ant, Roach & Spider Bug Spray, 12 fl oz

$15.82 $20.82( / )
Shipping Free.
Product details The best defense against Mother Nature is Mother Nature. Meet STEM Kills Ants, Roaches and Flies – a bug spray for home and outdoors made with botanical extracts that are safe for you, but deadly for bugs. STEM's scientists decode the power of nature, scientifically optimizing it into...
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Product details


The best defense against Mother Nature is Mother Nature. Meet STEM Kills Ants, Roaches and Flies – a bug spray for home and outdoors made with botanical extracts that are safe for you, but deadly for bugs. STEM's scientists decode the power of nature, scientifically optimizing it into effective bug-fighting forms. STEM plant-based active ingredient bug spray is formulated with botanical extracts to kill ants, roaches and flies. Our insecticide is safe for use around people and pets (when used as directed) and was tested by entomologists. It has no added dye, fragrance, or harsh chemical odors, and is made for indoor and outdoor use. STEM helps protect your family. Rooted in Nature, Optimized by Science.
  • Bug spray that quickly kills ants, roaches and flies
  • Plant-based active ingredient bug killer safe for use around people and pets (when used as directed)
  • Entomologist tested bug spray made with botanical extracts to kill bugs; with a fresh scent and no added dye, fragrance, or harsh chemical odors
  • Bug killer for indoor and outdoor use, wherever bugs try to bother you
  • Rooted in Nature, Optimized by Science

🚚 Free Shipping & 30-Day Free Returns

Enjoy Free Standard Shipping across the USA and 100% Free 30-Day Returns with zero restocking fees.

📦 Shipping Policy

  • Target Destination: We ship exclusively to physical addresses within the 50 United States.

  • Order Processing (Handling Time): 0 to 3 business days (Mon – Fri). Orders placed after 5:00 PM ET or on weekends begin processing the next business day.

  • Transit Time: 0 to 3 business days (Mon – Fri).

  • Total Estimated Delivery: 1 to 6 business days.

  • Tracking: A tracking number will be emailed to you as soon as your order ships.

🔄 Return & Refund Policy

  • 30-Day Return Window: Items can be returned within 30 days of delivery.

  • 100% Free Returns: We provide a prepaid return shipping label for all eligible returns (including customer remorse, wrong size, or defective items).

  • Zero Restocking Fees: We do not charge any restocking or return fees.

  • Item Condition: Must be new, unused, and in original packaging with all accessories included.

  • Fast Refunds: Once inspected at our warehouse, your full refund is processed back to your original payment method within 7 business days.

⚠️ Damaged or Incorrect Orders?

If your item arrives damaged, defective, or incorrect, please notify us within 48 hours of delivery with photos of the item and packaging so we can expedite a free replacement or instant full refund.

📩 How to Start a Return or Inquiry

Returns are accepted by mail with prior authorization. Contact our customer care team with your order number: