Irwin Power Drill I-100 Auger Bits 5/16 Dia. x 7.5 L in. Brand_SOLO WD-40 18oz

WD-40 18oz

and the polypropylene inside bolt seal double seal flange is full port as well

9-1/2" to 14" long

and it will not harm the animals

inlet of 3/8" female threaded pipe & outlet of 3/8" od

Irwin Power Drill I-100 Auger Bits 5/16 Dia. x 7.5 L in. Brand_SOLO WD-40 18ozPower Drill I 100 Auger Bits Features: Solid center design provides extra rigidity while boring Wide lands keep the bit straight as it bores through the hole. The flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter, producing a faster, cleaner cut Single spur cutting edge scribes the circumference of the hole for a smoother finish Coarse screw point provides fast boring in hard and soft woods