1) Hose Adpter B, The Type B Hose Adapter converts INTEX pools with 1.25 fittings to 1.5 fittings By Intex - Walmart.com
Amazon.com: POOLHACKER Replacement Type B Hose Adapter 1.25" to 1.5" with Plunger Valve Parts for Intex, Hose Adapter B & Shut Off Valve with Gaskets & Nuts for Above Ground Pool(2 Pack) :
Amazon.com: Intex Hose Conversion Adapter B Kit (Pair) Replacement Part Model Number 25009 : Patio, Lawn & Garden
Intex 1.5 in. Dia x 59 in. Pool Pump Replacement Hose (2-Pack) and Adapter A (2-Pack) 25007 + 2 x 29060E
Amazon.com: Pool Above 1.25" to 1.5" Type B Hose Adapters for INTEX Pumps & Saltwater System | Set of 2 : Patio, Lawn & Garden
INTEX Hose T-Joint with 1.25in 32mm Dia
Intex Intex Easy Set Swimming Pool Type A or C Filter Replacement Cartridges (4 Pack) in the Pool Filter Aids department at Lowes.com