The rectifier is a 180° stable gliderreflector made up of two eater 1s, a block, a beehive, and a modification of eater 3. The normal tub-stabilised eater 3 can be used here to reduce the population count, but the snake-stabilised eater 3 has a smaller bounding box. The rectifier is notable for its recovery time of 106 generations and small number of catalysts. It can replace the boojum reflector in a large number of instances, although in some cases it cannot fit into the space provided due to the transparency of the beehive. Its advantages over the boojum reflector include
It has a much faster recovery time, allowing certain guns to be compacted;
Its passive bounding box is slightly smaller, so it can further compact many glider guns;
Its output path is free of catalysts, enabling it to be used as a merge device.
