product cavities 20 such that details of sealing station 52 will be more fully described below however as is widely known in connection with standard hffs systems a second or upper film 56 is drawn from a payout reel 57 after following various guide rollers 63 to sealing station 52 the remainder of upper film 56 is directed to a take up reel 65 at sealing station 52 upper film 56 is sealed to lower film 5 across product cavities 20 in order to create an overall product package indicated at 68 thereafter package 68 is directed to a cutter station 72 wherein a blade element 73 is shifted vertically through the use of a linear actuator 74 against an anvil member 75 in order to cut each package 68 from the overall web defined by the mated lower film 5 and upper film 56 reference will be now made to fig2 in detailing an embodiment of sealing station 52 in accordance with the invention as shown sealing station 52 employs a sealing unit 78 defined by a housing 80 including an upper housing portion 81 and a lower housing portion 82 housing 80 has associated therewith an inlet opening 85 and an exit opening 86 each of which is only shown to be partially open in this figure basically upper and lower housing portions 81 and 82 are adapted to be.