Filter holding frame with filter gasket

A filter gasket comprising:

• a connection portion coupled to a sealing portion and forming a unitary strip, the connection portion having a substantially u-shaped cross-section configured to receive a filter holding frame adapted to receive a removable filter, wherein the substantially u-shaped cross-section includes a first side, a second side and a bottom, wherein the bottom of the u-shaped cross-section includes a slot configured to couple the gasket with a neighboring filter holding frame flange, and wherein the sealing portion comprises a first flexible sealing element extending beyond the slot in the bottom of the u-shaped cross-section.

A filter gasket kit comprising:

• four first elongated gasket strips, each first elongated gasket strip comprising:
• a connection portion coupled to a sealing portion and forming a unitary strip, the connection portion having a substantially u-shaped cross-section configured to receive a filter holding frame adapted to receive a removable filter in the central aperture in a position abutting the flange, wherein the substantially u-shaped cross-section includes a first side, a second side and a bottom, wherein the bottom of the u-shaped cross-section includes a slot configured to couple the gasket with a neighboring filter holding frame flange, and wherein the sealing portion comprises a first flexible sealing element extending beyond the slot in the bottom of the u-shaped cross-section.

A filter gasket comprising:

• a connection portion coupled to a sealing portion and forming a unitary strip, the connection portion having a substantially u-shaped cross-section configured to receive a filter holding frame adapted to receive a removable filter in the central aperture in a position abutting the flange, wherein the substantially u-shaped cross-section includes a first side, a second side and a bottom, the sealing portion comprises a first flexible sealing element extending outwards from the connection portion, wherein the bottom of the connection portion does not extend to the end of the sealing portion, and wherein sealing portion has a length greater than the first side of the connection portion, and wherein the first side of the connection portion faces the sealing portion.