invention however given the other advancements that are discussed herein some embodiments of the invention do not need to include any fragrance if addition of fragrance is desired suitable fragrances may be selected from those compiled by the u s food and drug administration in title 21 of the code of federal regulations sections 172 510 and 172 515 incorporated by reference herein fragrance components selected from benzaldehydes phenols cinnamic aldehydes and esters octadienes dienes cyclohexadienes and terpenes may be used in the invention fragrance oils are also suitable for use alone or in combination with other fragrance chemicals suitable fragrance oils are for example spice oil flower oil and fruit oil other suitable fragrances include but are not limited to benzyl alcohol ethyl maltol furaneol 1 hexanol cis 3 hexen 1 ol menthol benzaldehyde hexanal cinnamaldehyde citral cis 3 hexenal furfural neral vanillin ethyl acetate ethyl butanoate ethyl decanoate ethyl hexanoate ethyl octanoate hexyl acetate isoamyl acetate methyl butanoate methyl salicylate pentyl butanoate pentyl pentanoate sotolon strawberry aldehyde fructone anethole anisole eugenol dihydrojasmone 2 acetyl 1 pyrroline 6 acetyl 2 3 4 5 tetrahydropyridine gamma decalactone gamma nonalactone delta octalactone jasmine lactone massoia lactone camphor citronellol linalool nerol nerolidol alpha terpineol thujone and thymol embodiments may also include ingredients directed to odor neutralization these may be intended to mask neutralize and or prevent the perception of malodors examples of suitable odor neutralizing additives include for example but are not limited to activated carbon activated anthracite zeolite silica gel.