the consumer and simple interconnections allow the entire system to be easily assembled onto an existing toilet making the system in separable modules also allows a sleeker and more space saving design than would be possible if it was made as a single unit the main blower module 40 and the heater module 50 are made to be form fitting to the sides of the toilet fitting into the recesses to the rear and below the rim of the toilet bowl if the system was made as a solid unit interferences would not allow the modules to be installed into these recesses this aspect allows the ventilation system to be designed so that it blends aesthetically with the original design of the toilet making it look more like original equipment than an add on the casing of each module of the ventilation system can be molded in plastic so that it is durable and easy to clean the plastic can be color compounded to match the color of a standard toilet or in more exotic colors for designer toilets or it can be colored to contrast with the color of the toilet for a different aesthetic appeal the main blower module 40 and the heater module 50 may be made with adjustable legs to support the weight of the modules in cases where the casing materials do not provide sufficient support fig6 a shows the rear view of the heater module 50 with the optional support leg 150 the support leg 150 attaches to the rear of the heater module housing 50 by a bolt 151 which rides up and down in a slot 152.