A tool, such as a respirator, including a body, an opening defined by the body, a door coupled to the body, and a filter positioned between the body and the filter. The door actuates between open and closed positions. The filter can be removed and replaced when the door is in the open position.

A tool, such as a respirator, including a body, an opening defined by the body, a door coupled to the body, and a filter positioned between the body and the filter. The door actuates between open and closed positions. The filter can be removed and replaced when the door is in the open position.

An elbow assembly for use in a respiratory mask, which includes an elbow, an inlet port, an exhaust port, and a baffle separating the inlet port from the exhaust port. A mask assembly includes a cushion comprising at least one gusset and an aperture for connection to the elbow assembly.

An elbow assembly for use in a respiratory mask, which includes an elbow, an inlet port, an exhaust port, and a baffle separating the inlet port from the exhaust port. A mask assembly includes a cushion comprising at least one gusset and an aperture for connection to the elbow assembly.

An air-fed visor comprises a mask, at least part of which comprises a foam material. An air tube is provided for delivering air to the visor. An air distribution rose is disposed in the foam mask. The rose comprises an air inlet connected to the air tube and an air distribution chamber for distributing air from the air inlet into the foam material.

An air-fed visor comprises a mask, at least part of which comprises a foam material. An air tube is provided for delivering air to the visor. An air distribution rose is disposed in the foam mask. The rose comprises an air inlet connected to the air tube and an air distribution chamber for distributing air from the air inlet into the foam material.

The disclosure relates to a respirator mask including a mask body and at least one filter for filtering a fluid (e.g. air) flowing through the mask and/or the mask body. The at least one filter may include one or more of: an Ultra-Violet (UV) filter and/or UV emitter, a filter fleece, and/or an electrical and/or electrostatic filter.

A high-pressure passthrough apparatus and protective suit having a high-pressure passthrough is provided. A high-pressure passthrough having a penetrator body is connected to a protective suit, wherein a first half of the penetrator body is positioned exterior of the protective suit and a second half of the penetrator body is positioned interior of the suit. A high-pressure passthrough valve is positioned on the second half of the penetrator body, wherein high-pressured air is supplied to an interior space of the protective suit. Releasing the quantity of high-pressure air to the interior of the protective suit with the high-pressure passthrough valve may act to cool the interior of the protective suit.

A high-pressure passthrough apparatus and protective suit having a high-pressure passthrough is provided. A high-pressure passthrough having a penetrator body is connected to a protective suit, wherein a first half of the penetrator body is positioned exterior of the protective suit and a second half of the penetrator body is positioned interior of the suit. A high-pressure passthrough valve is positioned on the second half of the penetrator body, wherein high-pressured air is supplied to an interior space of the protective suit. Releasing the quantity of high-pressure air to the interior of the protective suit with the high-pressure passthrough valve may act to cool the interior of the protective suit.

A mask device includes a mask body provided with at least one inlet and at least one outlet located below the inlet, a first air cleaner and a second air cleaner for filtering outside air sucked in from an outside environment and supplying the filtered air through the mask body to the inlet, the first air cleaner coupled to one side of the mask body and the second air cleaner coupled to an other side of the mask body, and a first fixing part and a second fixing part, the first fixing part for coupling the first air cleaner to the mask body and the second fixing part for coupling the second air cleaner to the mask body.