Can this be used in Kohler waterless without a cartridge shown along with this liquid?

Waterless urinals work basically the same. The urine passes through the chemical, therefore I would say you should be able to use it.

Does this work in sinks and floor drains/showers which we rarely use, some may not be used for a year?

This is designed to work in "waterless" urinals, not regulars ones that require water. Sinks, showers, floor drains, and even toilets need to have the water trap filled from time to time. I live in a seasonal high desert community and my friends ask me to run water in their showers, sinks, and toilets at least once a month. Otherwise, the sewer gasses will come up the pipes and the house will get an awful smell like a sewer. You will have to do the same with little-used drains. I hope this helps.

Can this eliminate bath tub drain stinks?

Well, it all depends on what's causing the stink! If the water that prevents the sewer vapor from coming into the house is evaporating, then this product might help prevent the evaporation. If not, then it probably won't help. Try cleaning the drain 1st.

ASIN	B003H4BAL4
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#97,231 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #34 in Urinal Accessories
Brand	Waterless
Color	White
Customer Reviews	4.6 4.6 out of 5 stars (58)
Date First Available	February 16, 2007
Global Trade Identification Number	00814265000022
Included Components	Bra
Installation Type	Floor Mounted
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	7.3 pounds
Item model number	1101
Manufacturer	Waterless
Material	Liquid
Part Number	1101
Product Dimensions	30"D x 8"W x 6"H
Size	1 gal
UPC	814265000022

Waterless 1101 1-Gallon BlueSeal Urinal Trap Liquid

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