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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
making it an ideal tool for stream substrate analysis
Available with ¼-inch or ⅜-inch hose barb adapters to accommodate different airline sizes
Bright blue color provides excellent visibility on light-colored materials
Chess Lyons’ update of his classic guide on Washington and British Columbia for naturalists and nature enthusiasts alike
Hester-Dendy Sampler, Square, 14-Plate, Pkg of 10 Bags making it an ideal toolProduct Code: 150 A95 This inexpensive, compact and lightweight device has become a staple in the field and is similar in function to the periphyton. The most adaptable artificial substrate sampler on the market, its EPA recommended in 2 versions. Suspend it, float it or attach it to submerged objects such as boulders or stakes. Leave it in place for 2 or more weeks, then scrape the critters off the plates and analyze in the lab. Constructed of 1 8 (3
US$ 21.95
US$ 33.95
US$ 33.95