Wash media element provided with slots and treatment heads for attachment to the wash media element for use with a vehicle wash component, wherein every treatment head is formed of an integral single body of self supporting material, comprising: a one-piece body portion having an inner end, an outer end and a pair of opposing side portions extending between the inner end and the outer end;. a contact portion for engaging a vehicle exterior and disposed adjacent the outer end, the contact portion including a plurality of individual bristle portions that are moveable with respect to one another; a head portion disposed adjacent the inner end and opposite the contact portion, the head portion configured to pass through a slot formed in the wash media element and having a width sized larger than a largest lengthwise dimension of the slot to retain the body portion in secured engagement with the wash media element; and a tongue portion connected to the contact portion and the head portion, the tongue portion having a width which converges from a width that is equal to the constant width of the contact portion at the connection point of the tongue portion with contact portion to a width that is less or equal to a largest lengthwise dimension of the slot at the point near the connection point of the tongue portion with head portion. every treatment head is formed of an integral single body of self supporting material, comprising: a one-piece body portion having an inner end, an outer end and a pair of opposing side portions extending between the inner end and the outer end;. a contact portion for engaging a vehicle exterior and disposed adjacent the outer end, the contact portion including a plurality of individual bristle portions that are moveable with respect to one another; a head portion disposed adjacent the inner end and opposite the contact portion, the head portion configured to pass through a slot formed in the wash media element and having a width sized larger than a largest lengthwise dimension of the slot to retain the body portion in secured engagement with the wash media element; and a tongue portion connected to the contact portion and the head portion, the tongue portion having a width which converges from a width that is equal to the constant width of the contact portion at the connection point of the tongue portion with contact portion to a width that is less or equal to a largest lengthwise dimension of the slot at the point near the connection point of the tongue portion with head portion. a one-piece body portion having an inner end, an outer end and a pair of opposing side portions extending between the inner end and the outer end;. a contact portion for engaging a vehicle exterior and disposed adjacent the outer end, the contact portion including a plurality of individual bristle portions that are moveable with respect to one another; a head portion disposed adjacent the inner end and opposite the contact portion, the head portion configured to pass through a slot formed in the wash media element and having a width sized larger than a largest lengthwise dimension of the slot to retain the body portion in secured engagement with the wash media element; and a tongue portion connected to the contact portion and the head portion, the tongue portion having a width which converges from a width that is equal to the constant width of the contact portion at the connection point of the tongue portion with contact portion to a width that is less or equal to a largest lengthwise dimension of the slot at the point near the connection point of the tongue portion with head portion.