PonicsPump FHS4: Water Fountain Spray Head Set - Choose from 4 Water Patterns: Blossom, Frothy, Mushroom and Two-Tier Styles CHOOSE FROM 4 WATER PATTERNS: Blossom, Frothy, Mushroom and Two-Tier Patterns. Choose the pattern you want from this economical variety-pack. All of the heads can be easily separated for cleaning. Includes one EXTENSION RISER and one FLOW CONTROL RISER. TWO-TIER & FROTHY PATTERNS: The Upper Tier Head comes screwed into the Frothy Head which we call the Two-Tier Pattern, but the Frothy Spray Head can be used individually. MUSHROOM PATTERN SPRAY HEAD: Adjust by rotating the upper, flared part of the head. COMPATIBLE MODELS: These Fountain Heads will attach directly to the PonicsPump models PP29105, PP29116, PP40006, PP40016, PP53006, PP53016, PP80006, PP80016 plus many competitor models similarly sized that accept 1/2 inch NPS threaded fittings. (See more in the product description below.) INCOMPATIBLE MODELS: These Fountain Heads will NOT work with PonicsPump models PP040XX, PP06605, PP09205, PP12005, PP12016, PP21105 and PP21116. 1 year limited warranty when sold by FasterHarvest (previously PonicsFarms)