Czar Cockroach Killing Gel - 5gCockroach Killing Gel 5g Effective Protection with Ease and No Toxic Odors Let's fight the invader with our powerful cockroach killing gel. This insect killer is specially designed for cockroaches and it comes in a 5g syringe. This makes it easy to target the hard to reach areas in your apartments or office. This is the only cockroach killer injection in Pakistan that provides long lasting results. You can also check out our cockroaches trap house.