Carpal rubber expander value of 23 penny perfectly seals the junction of the plastic trap under the sink basin with the drain sewer pipe in the bathroom. The connection is very accurate, do not let any water, no odors. You may not even need such an operation, as smearing the joint with cement mortar. Enough to paint the visible part of the expander nitroenamels.
I. DUBSKY, Krasnodar
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