LaMotte Chlorine/Bromine 10 Factor Disk - Pack of 50 pool-dimensions_20x41 It has a #8 1-1/2

It has a #8 1-1/2 inch bottom pipe plug and a #9 1-1/2 inch pipe top plug

On existing skimmers

This is a PVC Reducing Insert Tee with Insert x Insert x Reducing Insert fitting connections that measure 1-1/2 x 1-1/2 x 1-1/4 Inch

This o-ring is identical to O-25 and replaces AquaFlo 92200060

This is a clean out deck drain fitting in gray used with the Stegmeier Deck Drain system

LaMotte Chlorine/Bromine 10 Factor Disk - Pack of 50 pool-dimensions_20x41 It has a #8 1-1/2The LaMotte 4328 H Chlorine Bromine WaterLink Spin Single Disk tests for 10 factors in 60 seconds. Each single use disk contains dried reagents to test for Free and Total Chlorine (or Bromine), pH, Alkalinity, Calcium Hardness, Cyanuric Acid, Copper, Iron, and Salt. Disks are individually foil pouched and packed 50 per box. Each disk includes a set of reagents for the series. Tests for all factors in the series are performed at one time. It is not