Pack of three 4g fly bait sachets for Zero In Fly Catcher (STV336) Attracts flies within a 10m radius without harmful chemicals Each sachet lasts up to 4 weeks when used correctly Quick and simple to use with water activation Safe to dispose of in the garden or general waste These fly bait refills are made for the Zero In Fly Catcher (STV336) and come in a pack of three sachets. Each one contains 4g of bait designed to attract flies without using harsh chemicals. To use, just empty a sachet into the trap, add 300ml of water, and hang it in a sunny spot. The bait starts working within 24 hours and lasts for up to four weeks, helping to reduce fly numbers around your home or garden.
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