Pest barrier system for plumbing of mobile vehicles

A pest barrier system for plumbing of mobile vehicles, comprising:

• a pest protection system having a first half, a second half, a lower portion and an upper portion;
• the pest protection system further defining an internal passage;
• the lower portion of the pest protection system comprises a lower rim;
• the upper portions of the pest protection system comprises an upper rim;
• the lower rim comprises a lower external diameter and a lower internal diameter;
• the upper rim comprises an upper external diameter;
• the pest protection system fits within a plumbing compartment of a mobile vehicle at a gap of a compartment floor of the plumbing compartment;
• the gap comprises an internal diameter;
• the internal diameter of the gap is smaller than the upper external diameter of the upper rim of the pest protection system;
• the lower portion of the pest protection system receives a portion of a fluid drainage hose having an external hose diameter;
• and
• the lower internal diameter of the lower portion of the pest protection system is greater than or equal to the external hose diameter of the fluid drainage hose.