Formula C is a fast-acting insecticidal fly killer spray with a rapid knockdown effect. As well as killing flies on contact, Formula C offers long-lasting residual protection, helping maintain fly control for up to 4 weeks. The spray be applied to fly breeding sites, alighting surfaces and sash windows for the effective control of cluster flies in lofts and roof spaces, house flies, and fruit flies in kitchens and other food preparation areas.
Until recently Pest Expert Formula C has only been available for professional use. As it has now become available to the amateur market, we have chosen to replace the previously sold Protector C / Insectaclear C with this fantastic product.
Formula C is a professional strength insecticide containing cypermethrin at 0.1%w/w and is designed as a surface spray for the control of many insect pests including flies, fleas, cockroaches, moths, and ants.
Formula C is water-based, so providing packaging instructions are followed, it is perfectly safe for use in homes with both children and pets and will not cause damage to any items that would not be damaged by water.
A 1 litre trigger spray will treat an area of approximately 20 square metres.
Formula 'C' Cluster Fly Killer Spray is supplied with a Free EN149 Safety Mask and Nitrile Safety Gloves, strongly recommended when applying any cluster fly killer sprays or quality insecticides!
See also our comprehensive Cluster Fly Kits, which are supplied with step-by-step professional advice sheets.
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