Parker's Series 106 HSG Nexcol High Stability Grade Aeration Tubing circulates air to keep stagnant water fresh and free of unwanted build-up. The heavy tubing suppresses buoyancy to stay submerged and eliminates the need for monitoring or weighted attachments. Markets:AgricultureGeneral IndustrialLawn & Garden FeaturesBenefits:Tubing: Thick black PVC, 65A durometer for durability to 140F. Applications:- mediaAir- usageIce clearingPond aerationWaste water lagoon treatmentWater recirculation Warnings:Working pressures are at +68F (+20C). Higher temperatures reduce the available working pressure. Print Product Overview