Spray Gun Tank Configurations

A spray system comprising:

• a closed system that includes a spray gun having an air inlet, an outlet and trigger for adjusting flow of spray material;
• a holding container for holding the spray material in operable communication with the spray gun, wherein the holding container includes a primary opening and an auxiliary port, wherein the holding container does not include a liner and is fitted to the spray gun through the primary opening that is continuous with the holding container, wherein the primary opening does not include a separable valve, and wherein the auxiliary port allows filling of the spray material into the holding container without removing the holding container from the spray gun.

A non-collapsible holding container adapted for and in operable communication with a spray system,

• wherein the container includes a primary opening that does not include a valve that transitions from an open position and a closed position and an auxiliary port that maintains pressure in the spray system during operation,
• wherein the holding container does not need to be removed from the system to be filled or refilled with a spray or coating material.